diff --git a/Makefile b/Makefile
index bdedc6e..e596344 100644
--- a/Makefile
+++ b/Makefile
@@ -25,17 +25,18 @@ LIBS =	-L $(LIBFT_D) -lft \
 LIBFT_D = ./libft
 LIBFT = $(LIBFT_D)/libft.a
 
-SRCS =	main.c init.c free.c generic.c \
+SRCS =	main.c init.c free.c generic.c error_wrappers.c \
 		signals.c \
 		shell_loop.c shell_script.c \
 		lexing.c fill_token.c check_operators.c \
-		parsing.c cmd_array.c \
+		parsing.c create_pipeline.c \
 		valid_syntax.c valid_pipeline.c valid_command.c valid_io_redirect.c \
 		words_expansions.c expand_token.c rejoin_after_expand.c new_token_for_each_field.c \
 		ft_split_quotes.c ft_strdup_quotes.c \
 		redirections.c here_doc.c \
 		exec_cmd_line.c pipeline.c \
 		find_access.c subshell_exec.c subshell_wait.c simple_cmd_builtin.c \
+		last_exit_status.c \
 		cd.c pwd.c export.c unset.c exit.c env.c echo.c
 
 DIR_OBJS = builds
diff --git a/headers/minishell.h b/headers/minishell.h
index 51eecc0..c08f78b 100644
--- a/headers/minishell.h
+++ b/headers/minishell.h
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/03 19:14:46 by lperrey           #+#    #+#             */
-/*   Updated: 2021/10/26 14:53:32 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/27 09:09:31 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -38,8 +38,8 @@
 
 # include <stdio.h>
 
-# include "minishell_structs.h"
 # include "minishell_macro.h"
+# include "minishell_structs.h"
 # include "minishell_term_colors.h"
 # include "minishell_user_macro.h"
 # include "minishell_prototypes.h"
diff --git a/headers/minishell_macro.h b/headers/minishell_macro.h
index 7ff7858..4803253 100644
--- a/headers/minishell_macro.h
+++ b/headers/minishell_macro.h
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 02:35:55 by lperrey           #+#    #+#             */
-/*   Updated: 2021/10/30 22:32:48 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/27 10:43:43 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,10 +18,37 @@
 # define PROMPT_CHEVRON "> "
 # define PROMPT_EURO "\001€\002  \001\b\002"
 
+# define EXIT_CMD_NOT_FOUND 127
+# define EXIT_CMD_NOT_EXE 126
+# define EXIT_SIGNAL 128
+
+// 1 and 125 inclusive
+# define EXIT_REDIRECTION 22
+# define EXIT_EXPANSION 33
+
 enum	e_lexer_return
 {
 	CONTINUE_TOKEN = 1,
 	DELIMITE_TOKEN
 };
 
+enum	e_token_id
+{
+	T_LESS = '<',
+	T_GREAT = '>',
+	T_PIPE = '|',
+	T_DLESS,
+	T_DGREAT,
+	T_WORD,
+	T_REDIRECTION_WORD
+};
+// T_DLESS == '<<'
+// T_DGREAT == '>>'
+
+enum	e_quotes_state
+{
+	IN_QUOTES = '\'',
+	IN_DQUOTES = '\"'
+};
+
 #endif
diff --git a/headers/minishell_prototypes.h b/headers/minishell_prototypes.h
index 7823d42..2c5267d 100644
--- a/headers/minishell_prototypes.h
+++ b/headers/minishell_prototypes.h
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 02:59:58 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/24 18:38:11 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/02 00:37:39 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,11 +14,13 @@
 # define MINISHELL_PROTOTYPES_H
 
 // variable globale
-int		switch_heredoc_sigint;
+int		g_switch_heredoc_sigint;
+extern char	**environ;
 
 // Init
-int		init(t_all *c, char *envp[]);
-char	**retrieve_path(char *envp[]);
+int		init(t_all *c);
+char	*init_prompt(char *prompt_base);
+char	**retrieve_path(void);
 int		set_terminal_attributes(struct termios *ori_termios,
 			struct termios *interactive_termios,
 			int *termios_changed); // WIP, TEST, TEMP, PLACEHOLDER, NOT IMPORTANT, :)
@@ -29,7 +31,7 @@ void	shell_loop(t_all *c);
 void	shell_script(t_all *c);
 
 // Lexer
-t_token	*input_to_tokens(char *input);
+t_token	*lexing(char *input);
 
 // Parser
 t_cmd	**parsing(t_token *token_list);
@@ -37,18 +39,18 @@ int		valid_syntax(t_token *token_list);
 int		valid_token(t_token **token_list, enum e_token_id token_id);
 int		valid_command_separator(const t_token *token_list);
 size_t	count_pipes(t_token *token_list);
-t_cmd	**cmd_array_alloc(size_t cmd_nbr);
-int		cmd_array_fill_argv(t_token *token_list, t_cmd **cmd_arr);
+t_cmd	**pipeline_alloc(size_t cmd_nbr);
+int		pipeline_fill_argv(t_token *token_list, t_cmd **pipeline);
 int		words_expansions(t_token *token_list);
 int		token_expansions(t_token **t);
-int		redirections(t_token *token_list, t_cmd **cmd_arr);
+int		redirections(t_token *token_list, t_cmd **pipeline);
 
 // Exec
 int		exec_cmd_line(t_all *c);
 int		pipeline(t_all *c);
 int		cmd_find_access(t_cmd *cmd, char *path[]);
 int		cmd_exec_in_subshell(t_cmd *cmd, t_all *c);
-void	wait_subshell(pid_t last_cmd_pid, int *last_exit_status);
+void	wait_subshell(pid_t last_cmd_pid);
 int		simple_command_builtin(t_cmd *cmd, t_all *c);
 
 // Builtins
@@ -62,11 +64,14 @@ int		builtin_echo(int argc, char *argv[], t_all *c);
 int		getenv_position(char **envp, char *name);
 
 // Free
-int		free_exit(t_all *c, int exit_status);
+int		exit_free(t_all *c, int exit_status);
 void	free_pipeline(t_cmd **pipeline_ptr[]);
 void	close_pipeline_fd(t_cmd *pipeline[]);
 typedef void	(*t_free_f)(void *); // generic
 
+// Error wrappers
+void	shell_error(char *s1, char *s2);
+
 // Generic
 char	*ft_strjoinfree(char *s1, char *s2);
 char	*ft_strjoinfree_s1(char *s1, const char *s2);
@@ -78,11 +83,12 @@ char	**ft_dup_2d_char_arr(char **ptr);
 void	*ft_resize_2d_arr(void *ptr, size_t add_nbr);
 void	print_matrix(char **matrix, char *sep);
 t_list	*ft_lstbeforelast(t_list *lst);
-t_list	*ft_lstnew_generic(size_t lst_sizse, size_t content_size);
+void	*ft_lstnew_generic(size_t lst_size, size_t content_size);
 typedef void	*(*t_dup_f)(void *);
 void	*ft_dup_2d_arr(void	*ptr, void *(*dup_func)(void *));
 void	ft_perror_io(char *err_str, char *io_file);
 int		ft_reti_perror_io(int ret, char *err_str, char *io_file);
+void	ft_free_null(void *ptr);
 
 char	**ft_split_quotes(char const *s, char c);
 char	*ft_strdup_quotes(const char *s);
@@ -91,4 +97,8 @@ char	*ft_strdup_quotes(const char *s);
 void	sigint_handler_interactive(int signum);
 void	sigint_handler_heredoc(int signum);
 
+// last_exit_status
+int	set_last_exit_status(int new_value);
+int	get_last_exit_status(void);
+
 #endif
diff --git a/headers/minishell_structs.h b/headers/minishell_structs.h
index 4e64f91..18f55ee 100644
--- a/headers/minishell_structs.h
+++ b/headers/minishell_structs.h
@@ -6,28 +6,14 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 02:35:52 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 16:33:56 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/01 16:49:37 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef MINISHELL_STRUCTS_H
 # define MINISHELL_STRUCTS_H
 
-struct s_all	*g_all;
-
-enum	e_token_id
-{
-	T_TOKEN = 0,
-	T_LESS = '<',
-	T_GREAT = '>',
-	T_PIPE = '|',
-	T_DLESS,
-	T_DGREAT,
-	T_WORD,
-	T_REDIRECTION_WORD
-};
-// T_DLESS == '<<'
-// T_DGREAT == '>>'
+struct	s_all;
 
 typedef struct s_token
 {
@@ -42,7 +28,7 @@ typedef struct s_cmd
 {
 	char		**argv;
 	char		*path;
-	t_builtin_f	builtin_func;
+	t_builtin_f	builtin_f;
 	int			fd_in;
 	int			fd_out;
 	pid_t		pid;
@@ -51,13 +37,11 @@ typedef struct s_cmd
 
 typedef struct s_all
 {
-	t_cmd				**cmd_arr;
-//	char				**envp;
+	t_cmd				**pipeline;
 	char				**path;
 	char				*prompt_base;
 	char				*prompt;
 	t_token				*token_list;
-	int					last_exit_status;
 //	struct termios		ori_termios;
 //	struct termios		interactive_termios;
 //	int					termios_changed;
diff --git a/ressources/parsing.md b/ressources/parsing.md
deleted file mode 100644
index 0ef6fa7..0000000
--- a/ressources/parsing.md
+++ /dev/null
@@ -1 +0,0 @@
-https://raw.githubusercontent.com/kukinpower/minishell/master/images/3.png
diff --git a/ressources/parsing.png b/ressources/parsing.png
deleted file mode 100644
index d6ef34e..0000000
Binary files a/ressources/parsing.png and /dev/null differ
diff --git a/srcs/builtins/cd.c b/srcs/builtins/cd.c
index 714c1ee..1ceaafa 100644
--- a/srcs/builtins/cd.c
+++ b/srcs/builtins/cd.c
@@ -1,9 +1,6 @@
 
 #include "minishell.h"
 
-// a integrer dans header
-char	*init_prompt(char *prompt_base);
-
 int	builtin_cd(int argc, char *argv[], t_all *c)
 {
 	(void)argc;
diff --git a/srcs/builtins/env.c b/srcs/builtins/env.c
index 1b5b0b5..6642079 100644
--- a/srcs/builtins/env.c
+++ b/srcs/builtins/env.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/10 05:01:26 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 19:01:13 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/27 11:18:55 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,11 +14,8 @@
 
 int	builtin_env(int argc, char *argv[], t_all *c) // WIP
 {
-	extern char	**environ;
-
 	(void)argc;
 	(void)argv;
-	//ft_putendl_arr_fd(c->envp, 1);
 	ft_putendl_arr_fd(environ, 1);
 	return (0);
 }
diff --git a/srcs/builtins/exit.c b/srcs/builtins/exit.c
index e6f6ca5..7a726ea 100644
--- a/srcs/builtins/exit.c
+++ b/srcs/builtins/exit.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/10 05:01:22 by lperrey           #+#    #+#             */
-/*   Updated: 2021/10/22 14:49:01 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/29 12:43:47 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,7 +17,7 @@ int	builtin_exit(int argc, char *argv[], t_all *c) // WIP
 	unsigned char	status;
 	int				i;
 
-	status = c->last_exit_status;
+	status = get_last_exit_status();
 	if (argc > 2)
 		return (ft_reti_print(1, "exit: too many arguments\n", 2));
 	if (argc == 2)
@@ -38,5 +38,5 @@ int	builtin_exit(int argc, char *argv[], t_all *c) // WIP
 		}
 		status = ft_atoi(argv[1]);
 	}
-	return (free_exit(c, status));
+	return (exit_free(c, status));
 }
diff --git a/srcs/builtins/export.c b/srcs/builtins/export.c
index 3385e49..6e190b7 100644
--- a/srcs/builtins/export.c
+++ b/srcs/builtins/export.c
@@ -1,7 +1,7 @@
 
 #include "minishell.h"
 
-int	getenv_position(char **envp, char *name)
+int	getenv_position(char **envp, char *name) // TODO : virer arg envp et utiliser "extern **environ" à la place
 {
 	int	i;
 
@@ -13,7 +13,6 @@ int	getenv_position(char **envp, char *name)
 
 int	builtin_export(int argc, char *argv[], t_all *c)
 {
-	extern char	**environ;
 	char		**var;
 	int			env_position;
 
@@ -26,8 +25,8 @@ int	builtin_export(int argc, char *argv[], t_all *c)
 	if (environ[env_position] == '\0')
 		environ = ft_resize_2d_arr(environ, 1);
 	environ[env_position] = ft_strdup(argv[1]);
-	if (!ft_strncmp(var[0], "PATH", 4 + 1))
-		c->path = retrieve_path(environ);
+	if (!ft_strncmp(var[0], "PATH", 4 + 1)) // TODO : NON. Ce n'est pas la fin de la string donc "strlen() + 1" n'est pas adapté
+		c->path = retrieve_path();
 	// free var
 	return (0);
 }
diff --git a/srcs/builtins/unset.c b/srcs/builtins/unset.c
index 2db1c14..755c76f 100644
--- a/srcs/builtins/unset.c
+++ b/srcs/builtins/unset.c
@@ -3,21 +3,22 @@
 
 int	builtin_unset(int argc, char *argv[], t_all *c)
 {
-	extern char	**environ;
 	int			env_position;
+	int			i;
 
 	(void)argc;
 	(void)c;
-	env_position = getenv_position(environ, argv[1]);
-	if (environ[env_position] == '\0')
-		return (0);
-	while (environ[env_position + 1])
+	i = 1;
+	while (argv[i])
 	{
+		env_position = getenv_position(environ, argv[i]);
 		free(environ[env_position]);
-		environ[env_position] = ft_strdup(environ[env_position + 1]);
-		env_position++;
+		while (environ[env_position])
+		{
+			environ[env_position] = environ[env_position + 1];
+			env_position++;
+		}
+		i++;
 	}
-	free(environ[env_position]);
-	environ[env_position] = NULL;
 	return (0);
 }
diff --git a/srcs/error_wrappers.c b/srcs/error_wrappers.c
new file mode 100644
index 0000000..df1d6f2
--- /dev/null
+++ b/srcs/error_wrappers.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   error_wrappers.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/12/01 17:16:30 by lperrey           #+#    #+#             */
+/*   Updated: 2021/12/01 17:19:02 by lperrey          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+void	shell_error(char *s1, char *s2)
+{
+	char	*prefix;
+
+	prefix = "minishell: ";
+	write(STDERR_FILENO, prefix, ft_strlen(prefix));
+	if (s1)
+		write(STDERR_FILENO, s1, ft_strlen(s1));
+	if (s2)
+		write(STDERR_FILENO, s2, ft_strlen(s2));
+	write(STDERR_FILENO, "\n", 1);
+}
diff --git a/srcs/exec/exec_cmd_line.c b/srcs/exec/exec_cmd_line.c
index bbd417c..3becd61 100644
--- a/srcs/exec/exec_cmd_line.c
+++ b/srcs/exec/exec_cmd_line.c
@@ -6,20 +6,24 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/16 01:57:38 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 13:29:25 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/01 16:07:48 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_09_01_01
-
 int	exec_cmd_line(t_all *c)
 {
 	if (!pipeline(c))
 	{
-		free_pipeline(&c->cmd_arr);
+		free_pipeline(&c->pipeline);
 		return (0);
 	}
 	return (1);
 }
+
+/*
+	2.9.1 Simple Commands - Command Search and Execution
+https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html
+#tag_18_09_01_01
+*/
diff --git a/srcs/exec/find_access.c b/srcs/exec/find_access.c
index 2f2f53a..fbe16e5 100644
--- a/srcs/exec/find_access.c
+++ b/srcs/exec/find_access.c
@@ -6,19 +6,24 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/16 01:57:38 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 13:20:20 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/01 17:16:55 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
 static int			search_cmd_path(char *cmd_name, char **cmd_path,
-					char *path[]);
+						char *path[]);
 static t_builtin_f	search_builtin(char *cmd_name);
 static int			handle_access_error(char *file_name);
 
-// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_02
-// faire des test sur la valeur de errno selon les cas (if directory, if pathname invalid, ...)
+/*
+	2.8.2 Exit Status for Commands
+https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html
+#tag_18_08_02
+*/
+
+// TODO : faire des test sur la valeur de errno selon les cas (if directory, if pathname invalid, ...)
 
 int	cmd_find_access(t_cmd *cmd, char *path[])
 {
@@ -29,29 +34,26 @@ int	cmd_find_access(t_cmd *cmd, char *path[])
 		else
 		{
 			cmd->path = ft_strdup(cmd->argv[0]);
-			if (!cmd->path) 
+			if (!cmd->path)
 				return (0);
 		}
 	}
 	else
 	{
-		cmd->builtin_func = search_builtin(cmd->argv[0]);
-		if (cmd->builtin_func)
+		cmd->builtin_f = search_builtin(cmd->argv[0]);
+		if (cmd->builtin_f)
 			return (1);
 		if (search_cmd_path(cmd->argv[0], &cmd->path, path) == -1)
 			return (0);
 		if (!cmd->path)
 		{
-			cmd->error = 127;
-			ft_putstr_fd("minishell: ", 2);
-			ft_putstr_fd(cmd->argv[0], 2);
-			ft_putstr_fd(": command not found\n", 2);
+			cmd->error = EXIT_CMD_NOT_FOUND;
+			shell_error(cmd->argv[0], ": command not found");
 		}
 	}
 	return (1);
 }
 
-
 static int	search_cmd_path(char *cmd_name, char **cmd_path, char *path[])
 {
 	int	i;
@@ -70,10 +72,7 @@ static int	search_cmd_path(char *cmd_name, char **cmd_path, char *path[])
 		if (access(*cmd_path, X_OK) == 0)
 			break ;
 		else
-		{
-			free(*cmd_path);
-			*cmd_path = NULL; // TODO : free_null()
-		}
+			ft_free_null(cmd_path);
 		i++;
 	}
 	free(cmd_name);
@@ -107,7 +106,7 @@ static int	handle_access_error(char *file_name)
 	ft_perror_io("minishell: ", file_name);
 	errno = tmp;
 	if (errno == EACCES)
-		return (127);
+		return (EXIT_CMD_NOT_FOUND);
 	return (1);
-	// 126
+	// 126 / EXIT_CMD_NOT_EXE
 }
diff --git a/srcs/exec/pipeline.c b/srcs/exec/pipeline.c
index 21e9d46..6646d52 100644
--- a/srcs/exec/pipeline.c
+++ b/srcs/exec/pipeline.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/16 01:57:38 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 23:08:16 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/01 16:49:37 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,15 +18,15 @@ static pid_t	pipeline_exec(t_cmd *pipeline[], t_all *c);
 
 int	pipeline(t_all *c)
 {
-	if (!open_pipes(c->cmd_arr))
+	if (!open_pipes(c->pipeline))
 		return (0);
-	if (!pipeline_find_access(c->cmd_arr, c->path))
+	if (!pipeline_find_access(c->pipeline, c->path))
 		return (0);
-	if (ft_2d_arrlen(c->cmd_arr) == 1 && c->cmd_arr[0]->builtin_func)
-		simple_command_builtin(c->cmd_arr[0], c);
+	if (ft_2d_arrlen(c->pipeline) == 1 && c->pipeline[0]->builtin_f)
+		simple_command_builtin(c->pipeline[0], c);
 	else
-		wait_subshell(pipeline_exec(c->cmd_arr, c), &c->last_exit_status);
-	free_pipeline(&c->cmd_arr);
+		wait_subshell(pipeline_exec(c->pipeline, c));
+	free_pipeline(&c->pipeline);
 	return (1);
 }
 
@@ -69,8 +69,6 @@ static int	pipeline_find_access(t_cmd *pipeline[], char *path[])
 	return (1);
 }
 
-// TODO : Change exit status as in documentation :
-// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_02
 static pid_t	pipeline_exec(t_cmd *pipeline[], t_all *c)
 {
 	int	i;
@@ -83,13 +81,13 @@ static pid_t	pipeline_exec(t_cmd *pipeline[], t_all *c)
 		{
 			ret = cmd_exec_in_subshell(pipeline[i], c);
 			if (ret != EXIT_SUCCESS)
-				free_exit(c, ret);
+				exit_free(c, ret);
 		}
 		i++;
 	}
-	close_pipeline_fd(c->cmd_arr);
+	close_pipeline_fd(c->pipeline);
 	i -= 1;
 	if (pipeline[i]->error)
-		c->last_exit_status = pipeline[i]->error;
+		set_last_exit_status(pipeline[i]->error);
 	return (pipeline[i]->pid);
 }
diff --git a/srcs/exec/simple_cmd_builtin.c b/srcs/exec/simple_cmd_builtin.c
index 902dfa8..a97c95e 100644
--- a/srcs/exec/simple_cmd_builtin.c
+++ b/srcs/exec/simple_cmd_builtin.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/16 01:57:38 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 14:08:56 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/01 16:49:37 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -37,7 +37,7 @@ int	simple_command_builtin(t_cmd *cmd, t_all *c)
 		if (dup2(cmd->fd_out, STDOUT_FILENO) == -1)
 			return (ft_reti_perror(EXIT_FAILURE, "dup2()"));
 	}
-	c->last_exit_status = cmd->builtin_func(ft_2d_arrlen(cmd->argv), cmd->argv, c);
+	set_last_exit_status(cmd->builtin_f(ft_2d_arrlen(cmd->argv), cmd->argv, c));
 	if (!restore_stdio(stdin_dup, stdout_dup))
 		return (EXIT_FAILURE);
 	return (EXIT_SUCCESS);
diff --git a/srcs/exec/subshell_exec.c b/srcs/exec/subshell_exec.c
index 721868e..273f9bf 100644
--- a/srcs/exec/subshell_exec.c
+++ b/srcs/exec/subshell_exec.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/16 01:57:38 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 18:59:02 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/01 16:49:37 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,8 +14,6 @@
 
 int	cmd_exec_in_subshell(t_cmd *cmd, t_all *c)
 {
-	extern char	**environ;
-
 	cmd->pid = fork();
 	if (cmd->pid == -1)
 		perror("fork()");
@@ -29,10 +27,9 @@ int	cmd_exec_in_subshell(t_cmd *cmd, t_all *c)
 		if (cmd->fd_out != STDOUT_FILENO)
 			if (dup2(cmd->fd_out, STDOUT_FILENO) == -1)
 				return (ft_reti_perror(EXIT_FAILURE, "dup2()"));
-		close_pipeline_fd(c->cmd_arr);
-		if (cmd->builtin_func)
-			free_exit(c, cmd->builtin_func(ft_2d_arrlen(cmd->argv), cmd->argv, c));
-		//else if (execve(cmd->path, cmd->argv, c->envp) == -1)
+		close_pipeline_fd(c->pipeline);
+		if (cmd->builtin_f)
+			exit_free(c, cmd->builtin_f(ft_2d_arrlen(cmd->argv), cmd->argv, c));
 		else if (execve(cmd->path, cmd->argv, environ) == -1)
 			return (ft_reti_perror_io(EXIT_FAILURE, "execve() ", cmd->argv[0]));
 	}
diff --git a/srcs/exec/subshell_wait.c b/srcs/exec/subshell_wait.c
index d19a925..b5ae3b0 100644
--- a/srcs/exec/subshell_wait.c
+++ b/srcs/exec/subshell_wait.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/16 01:57:38 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 23:09:46 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/27 10:43:46 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,7 @@
 
 static int	handle_wait_error(void);
 
-void	wait_subshell(pid_t last_cmd_pid, int *last_exit_status)
+void	wait_subshell(pid_t last_cmd_pid)
 {
 	int	wstatus;
 	int	ret;
@@ -25,11 +25,11 @@ void	wait_subshell(pid_t last_cmd_pid, int *last_exit_status)
 		if (waitpid(last_cmd_pid, &wstatus, 0) == -1)
 			perror("waitpid()");
 		if (WIFEXITED(wstatus))
-			*last_exit_status = WEXITSTATUS(wstatus);
+			set_last_exit_status(WEXITSTATUS(wstatus));
 		if (WIFSIGNALED(wstatus))
 		{
 			write(STDIN_FILENO, "\n", 1);
-			*last_exit_status = 128 + WTERMSIG(wstatus);
+			set_last_exit_status(EXIT_SIGNAL + WTERMSIG(wstatus));
 		}
 	}
 	ret = 0;
diff --git a/srcs/free.c b/srcs/free.c
index ba0d477..285350b 100644
--- a/srcs/free.c
+++ b/srcs/free.c
@@ -6,20 +6,20 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/10 23:53:17 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 16:36:39 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/02 00:42:33 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-int	free_exit(t_all *c, int exit_status)
+int	exit_free(t_all *c, int exit_status)
 {
 	free(c->prompt_base);
 	free(c->prompt);
 	ft_lstclear((t_list **)&c->token_list, free);
-//	ft_free_2d_arr(c->envp);
+	ft_free_2d_arr(environ);
 	ft_free_2d_arr(c->path);
-	free_pipeline(&c->cmd_arr);
+	free_pipeline(&c->pipeline);
 	//if (c->termios_changed)
 	//	tcsetattr(STDIN_FILENO, TCSANOW, &c->ori_termios);
 	rl_clear_history();
diff --git a/srcs/generic.c b/srcs/generic.c
index 002eec3..602be02 100644
--- a/srcs/generic.c
+++ b/srcs/generic.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 09:25:35 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/14 08:27:40 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/30 18:51:00 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -84,7 +84,7 @@ size_t	ft_2d_arrlen(void *ptr) // Replace ft_arrlen()
 		len++;
 	return (len);
 }
-
+/* 
 char	**ft_dup_2d_char_arr(char **ptr) // Superflu si ft_dup_2d_arr() fonctionne
 {
 	unsigned int	i;
@@ -105,7 +105,7 @@ char	**ft_dup_2d_char_arr(char **ptr) // Superflu si ft_dup_2d_arr() fonctionne
 	}
 	new_arr[i] = NULL;
 	return (new_arr);
-}
+} */
 
 // Test generic. Pas certain que ça fonctionne bien avec le pointeur sur fonction
 void	*ft_dup_2d_arr(void	*ptr, void *(*dup_func)(void *))
@@ -114,7 +114,7 @@ void	*ft_dup_2d_arr(void	*ptr, void *(*dup_func)(void *))
 	char			**arr;
 	char			**new_arr;
 
-	new_arr = malloc((ft_2d_arrlen(ptr) + 1) * sizeof (void *));
+	new_arr = ft_calloc(ft_2d_arrlen(ptr) + 1, sizeof (void *));
 	if (!new_arr)
 		return (NULL);
 	arr = (char **)ptr;
@@ -126,7 +126,6 @@ void	*ft_dup_2d_arr(void	*ptr, void *(*dup_func)(void *))
 			return (ft_retp_free(NULL, new_arr, ft_free_2d_arr));
 		i++;
 	}
-	new_arr[i] = NULL;
 	return (new_arr);
 }
 
@@ -137,6 +136,8 @@ void	*ft_resize_2d_arr(void *ptr, size_t add_nbr)
 	char			**new_arr;
 
 	new_arr = ft_calloc(ft_2d_arrlen(ptr) + add_nbr + 1, sizeof (void *));
+	if (!new_arr)
+		return (NULL);
 	arr = (char **)ptr;
 	i = 0;
 	while (arr[i])
@@ -174,7 +175,8 @@ t_list	*ft_lstbeforelast(t_list *lst)
 	return (lst);
 }
 
-t_list	*ft_lstnew_generic(size_t lst_size, size_t content_size)
+/* if "content_size == 0", return lst with "lst->content == NULL" */
+void	*ft_lstnew_generic(size_t lst_size, size_t content_size)
 {
 	t_list	*elem;
 	void	*content;
@@ -210,3 +212,9 @@ int	ft_reti_perror_io(int ret, char *err_str, char *io_file)
 	perror(io_file);
 	return (ret);
 }
+
+void	ft_free_null(void *ptr)
+{
+	free(*(char**)ptr);
+	*(char**)ptr = NULL;
+}
diff --git a/srcs/init.c b/srcs/init.c
index a5c9e6f..92f24a6 100644
--- a/srcs/init.c
+++ b/srcs/init.c
@@ -6,29 +6,26 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 09:22:12 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 23:59:33 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/02 01:38:22 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
 static char	*init_prompt_base(void);
-// pas static si utilisee par cd
-//static char	*init_prompt(char *prompt_base);
-char	*init_prompt(char *prompt_base);
+static int	init_readline_hook(void);
 
-//int	init(t_all *c, char *envp[])
-int	init(t_all *c, char **environ)
+int	init(t_all *c)
 {
-	(void)environ;
-	g_all = c;
 	ft_bzero(c, sizeof (*c));
-//	c->envp = ft_dup_2d_arr(envp, (t_dup_f)ft_strdup); // TEST WIP
-//	if (!c->envp)
-//		return (ft_reti_perror(0, "ft_dup_2d_char_arr(envp) error"));
-	//print_matrix(c->envp, "\n --- \n"); // TEST WIP
-//	c->path = retrieve_path(c->envp); // No return check. Its intended. PATH is optional
-	c->path = retrieve_path(environ); // No return check. Its intended. PATH is optional
+	rl_outstream = stderr;
+	rl_startup_hook = init_readline_hook;
+	readline(NULL);
+	rl_startup_hook = NULL;
+	environ = ft_dup_2d_arr(environ, (t_dup_f)ft_strdup);
+	if (!environ)
+		return (ft_reti_perror(0, "ft_dup_2d_arr(environ) error"));
+	c->path = retrieve_path();
 	c->prompt_base = init_prompt_base();
 	if (!c->prompt_base)
 		return (ft_reti_perror(0, "init_prompt_base() error"));
@@ -40,14 +37,11 @@ int	init(t_all *c, char **environ)
 }
 
 // done : TODO : Un appel à builtin_export() modifiant $PATH doit aussi entrainer un appel à "c->path = retrieve_path()"
-// changer le prototype si utilise pas envp
-char	**retrieve_path(char *envp[])
+char	**retrieve_path(void)
 {
 	char	*path;
 	char	**path_split;
 
-	(void)envp;
-	//path = search_env_var(envp, "PATH"); // A reprendre du projet pipex si besoin de remplacer getenv()
 	path = getenv("PATH");
 	if (!path)
 		return (ft_retp_print(NULL, "minishell: Warning, $PATH not set\n", 2));
@@ -77,7 +71,6 @@ static char	*init_prompt_base(void) // WIP, error return TODO
 	return (prompt_base);
 }
 
-//static char	*init_prompt(char *prompt_base) // WIP, error return TODO
 char	*init_prompt(char *prompt_base) // WIP, error return TODO
 {
 	char	*prompt;
@@ -86,3 +79,13 @@ char	*init_prompt(char *prompt_base) // WIP, error return TODO
 	prompt = ft_strjoinfree_s1(prompt, TERM_RESET U_PROMPT_END);
 	return (prompt);
 }
+
+/*
+** set rl_startup_hook with this, for init COLUMNS and LINES variables
+** and prevent leak/double_free with **environ
+*/
+static int	init_readline_hook(void)
+{
+	rl_done = 1;
+	return (0);
+}
diff --git a/srcs/last_exit_status.c b/srcs/last_exit_status.c
new file mode 100644
index 0000000..13da226
--- /dev/null
+++ b/srcs/last_exit_status.c
@@ -0,0 +1,37 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   last_exit_status.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/11/26 19:02:27 by lperrey           #+#    #+#             */
+/*   Updated: 2021/11/26 20:48:11 by lperrey          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+int	set_last_exit_status(int new_value) 
+{
+	static int	last_exit_status = 0;
+
+	if (new_value >= 0)
+		last_exit_status = new_value;
+	return (last_exit_status);
+}
+
+int	get_last_exit_status(void)
+{
+	return (set_last_exit_status(-1));
+}
+
+/* void	ALT_set_last_exit_status(int new_value, int *set_last_exit_status_ptr)
+{
+	static int	*last_exit_status_ptr = NULL;
+
+	if (set_last_exit_status_ptr)
+		last_exit_status_ptr = set_last_exit_status_ptr;
+	else if (new_value >= 0)
+		*last_exit_status_ptr = new_value;
+} */
diff --git a/srcs/lexing/fill_token.c b/srcs/lexing/fill_token.c
index 4367689..d6f74dd 100644
--- a/srcs/lexing/fill_token.c
+++ b/srcs/lexing/fill_token.c
@@ -6,52 +6,31 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/19 08:38:55 by lperrey           #+#    #+#             */
-/*   Updated: 2021/10/30 22:35:01 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/01 16:00:48 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-int	check_operators(t_token *t, char *input, int *i, int *t_i);
+int			check_operators(t_token *t, char *input, int *i, int *t_i);
 
-enum	e_in_quote_state
-{
-	NOT_IN = 0,
-	IN_QUOTES = '\'',
-	IN_DQUOTES = '\"'
-};
+static int	quoting(int *quotes_state, char *input, int *i);
 
 int	fill_token(t_token *t, char *input, int *i, int *t_i)
 {
-	static int	in_quotes = 0;
+	static int	quotes_state = 0;
 
-	// operators
-	if (!in_quotes)
+	if (!quotes_state)
 	{
 		if (check_operators(t, input, i, t_i) == DELIMITE_TOKEN)
 			return (DELIMITE_TOKEN);
 	}
-	// quoting
-	if (input[*i] == '\'' && in_quotes != IN_DQUOTES)
+	if (quoting(&quotes_state, input, i))
 	{
 		t->content[(*t_i)++] = input[(*i)++];
-		if (in_quotes == IN_QUOTES)
-			in_quotes = 0;
-		else if (ft_strchr(&input[*i], '\'')) // if closed quotes
-			in_quotes = IN_QUOTES;
 		return (CONTINUE_TOKEN);
 	}
-	else if (input[*i] == '\"' && in_quotes != IN_QUOTES)
-	{
-		t->content[(*t_i)++] = input[(*i)++];
-		if (in_quotes == IN_DQUOTES)
-			in_quotes = 0;
-		else if (ft_strchr(&input[*i], '\"')) // if closed dquotes
-			in_quotes = IN_DQUOTES;
-		return (CONTINUE_TOKEN);
-	}
-	// blanks
-	if (!in_quotes && (input[*i] == ' ' || input[*i] == '\t'))
+	if (!quotes_state && (input[*i] == ' ' || input[*i] == '\t'))
 	{
 		while (input[*i] == ' ' || input[*i] == '\t')
 			(*i)++;
@@ -62,17 +41,23 @@ int	fill_token(t_token *t, char *input, int *i, int *t_i)
 	return (CONTINUE_TOKEN);
 }
 
-/* 
-https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_03
-1 - OK
-2 - OK
-3 - OK
-4 - OK
-5 - OK / SEMI-OSEF
-6 - OK
-7 - OK
-8 - OK
-9 - OSEF
-10 - OK
-
-*/
+static int	quoting(int *quotes_state, char *input, int *i)
+{
+	if (input[*i] == '\'' && *quotes_state != IN_DQUOTES)
+	{
+		if (*quotes_state == IN_QUOTES)
+			*quotes_state = 0;
+		else if (ft_strchr(&input[*i + 1], '\''))
+			*quotes_state = IN_QUOTES;
+		return (CONTINUE_TOKEN);
+	}
+	else if (input[*i] == '\"' && *quotes_state != IN_QUOTES)
+	{
+		if (*quotes_state == IN_DQUOTES)
+			*quotes_state = 0;
+		else if (ft_strchr(&input[*i + 1], '\"'))
+			*quotes_state = IN_DQUOTES;
+		return (CONTINUE_TOKEN);
+	}
+	return (0);
+}
diff --git a/srcs/lexing/lexing.c b/srcs/lexing/lexing.c
index 920e277..5914fb4 100644
--- a/srcs/lexing/lexing.c
+++ b/srcs/lexing/lexing.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/19 08:38:55 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/07 03:18:38 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/01 14:54:22 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,19 +14,18 @@
 
 int				fill_token(t_token *t, char *input, int *i, int *t_i);
 
-static t_token	*alloc_token(size_t content_len); // TODO, a remplacer par ft_lstnew_generic()
 static int		tokenize_input(t_token *t, char *input, size_t input_len);
 
-t_token	*input_to_tokens(char *input)
+t_token	*lexing(char *input)
 {
 	t_token	*t_head;
 	t_token	*t_tmp;
 	size_t	input_len;
 
 	input_len = ft_strlen(input);
-	t_head = alloc_token(input_len);
+	t_head = ft_lstnew_generic(sizeof(t_token), input_len + 1);
 	if (!t_head)
-		return (ft_retp_perror(NULL, "alloc_token() error"));
+		return (ft_retp_perror(NULL, "ft_lstnew_generic() error"));
 	if (!tokenize_input(t_head, input, input_len))
 		return (ft_lstclear((t_list **)&t_head, free));
 	t_tmp = (t_token *)ft_lstbeforelast((t_list *)t_head);
@@ -38,19 +37,6 @@ t_token	*input_to_tokens(char *input)
 	return (t_head);
 }
 
-static t_token	*alloc_token(size_t content_len)
-{
-	t_token	*token;
-
-	token = ft_calloc(1, sizeof (*token));
-	if (!token)
-		return (NULL);
-	token->content = ft_calloc(content_len + 1, 1);
-	if (!token->content)
-		return (ft_retp_free(NULL, token, free));
-	return (token);
-}
-
 static int	tokenize_input(t_token *t, char *input, size_t input_len)
 {
 	int	i;
@@ -64,9 +50,9 @@ static int	tokenize_input(t_token *t, char *input, size_t input_len)
 		{
 			if (!t->id)
 				t->id = T_WORD;
-			t->next = alloc_token(input_len - i);
+			t->next = ft_lstnew_generic(sizeof(t_token), input_len + 1 - i);
 			if (!t->next)
-				return (ft_reti_perror(0, "alloc_token() error"));
+				return (ft_reti_perror(0, "ft_lstnew_generic() error"));
 			t = t->next;
 			t_i = 0;
 		}
@@ -75,3 +61,8 @@ static int	tokenize_input(t_token *t, char *input, size_t input_len)
 		t->id = T_WORD;
 	return (1);
 }
+
+/*
+https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html
+#tag_18_03
+*/
diff --git a/srcs/main.c b/srcs/main.c
index 67f752c..e28ea1c 100644
--- a/srcs/main.c
+++ b/srcs/main.c
@@ -6,27 +6,24 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/04 05:59:26 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 19:48:07 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/29 12:43:34 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-//int	main(int argc, char *argv[], char *envp[])
 int	main(int argc, char *argv[])
 {
 	t_all	c;
-	extern char	**environ;
 
 	(void)argc;
 	(void)argv;
-//	if (!init(&c, envp))
-	if (!init(&c, environ))
-		free_exit(&c, EXIT_FAILURE);
+	if (!init(&c))
+		exit_free(&c, EXIT_FAILURE);
 	//putenv("VAR=W1 W2 W3"); // TEMP TEST
-	//if (isatty(STDIN_FILENO))
-	shell_loop(&c);
-	//else
-	//	shell_script(&c);
+//	if (argv[1] || !isatty(STDIN_FILENO))
+//		shell_script(&c);
+//	else
+		shell_loop(&c);
 	return (0);
 }
diff --git a/srcs/parsing/HUGO_WIP.c b/srcs/parsing/HUGO_WIP.c
deleted file mode 100644
index 9865c25..0000000
--- a/srcs/parsing/HUGO_WIP.c
+++ /dev/null
@@ -1,189 +0,0 @@
-
-#include "minishell.h"
-
-int	is_redirection(enum e_token_id id)
-{
-	if (id == T_LESS)	// <
-		return (1);
-	else if (id == T_GREAT)	// >
-		return (1);
-	else if (id == T_DLESS)	// <<
-		return (1);
-	else if (id == T_DGREAT)	// >>
-		return (1);
-	else
-		return (0);
-}
-
-// count nbr word in cmd, minus redirection and heredoc
-int	next_cmd(t_token *token)
-{
-	int	i;
-
-	i = 0;
-	while (token && token->id != T_PIPE)
-	{
-		if (is_redirection(token->id))
-			i--;
-		else
-			i++;
-		token = token->next;
-	}
-	if (token && token->id == T_PIPE)
-		token = token->next;
-	return (i);
-}
-
-void	handle_argv(t_token *token, t_cmd **cmd, size_t cmd_nbr)
-{
-	int		argc;
-	int		j;
-	int		i;
-	int		redirection;
-
-	i = 0;
-	while (cmd_nbr)
-	{
-		argc = next_cmd(token);
-		cmd[i]->argv = calloc(argc + 1, sizeof(char *));
-		cmd[i]->argv[argc] = NULL;
-		j = 0;
-		redirection = is_redirection(token->id);
-		while (token && token->id != T_PIPE)
-		{
-			if (!redirection && token->id == T_WORD)
-			{
-				cmd[i]->argv[j] = ft_strdup(token->content);
-				j++;
-			}
-			redirection = is_redirection(token->id);
-			token = token->next;
-		}
-		if (token && token->id == T_PIPE)
-			token = token->next;
-		cmd_nbr--;
-		i++;
-	}
-}
-
-int	fill_builtin(t_cmd *cmd, int (*builtin)(int, char **, t_all *))
-{
-	cmd->builtin_command = &builtin;
-	return (1);
-}
-
-int	handle_builtin(t_cmd *cmd)
-{ // Il faut penser à comparer un char de plus (\0 inclus)
-	if (!ft_strncmp(cmd->argv[0], "echo", 4))
-		return (fill_builtin(cmd, &builtin_echo));
-//	else if (!ft_strncmp(cmd->argv[0], "cd", 2))
-//		return (fill_builtin(cmd, &builtin_cd));
-//	else if (!ft_strncmp(cmd->argv[0], "pwd", 3))
-//		return (fill_builtin(cmd, &builtin_pwd));
-//	else if (!ft_strncmp(cmd->argv[0], "export", 6))
-//		return (fill_builtin(cmd, &builtin_export));
-//	else if (!ft_strncmp(cmd->argv[0], "unset", 5))
-//		return (fill_builtin(cmd, &builtin_unset));
-	else if (!ft_strncmp(cmd->argv[0], "env", 3))
-		return (fill_builtin(cmd, &builtin_env));
-	else if (!ft_strncmp(cmd->argv[0], "exit", 4))
-		return (fill_builtin(cmd, &builtin_exit));
-	return (0);
-}
-
-void	find_path(char **argv, char **envp)
-{
-	int		i;
-	char	**path;
-	char	*cmd;
-
-	i = 0;
-	while (envp[i] && ft_strncmp(envp[i], "PATH=", 5))
-		i++;
-	path = ft_split(envp[i] + 5, ':'); // 5 = lentgh of "PATH="
-	i = -1;
-	while (*path && i != 0)
-	{
-		cmd = ft_strjoin(path[0], "/");
-		cmd = ft_strjoin(cmd, argv[0]);
-		i = access(cmd, X_OK);
-		path++;
-	}
-	if (!(*path))
-		exit(0); // gerer erreur
-	argv[0] = cmd;
-}
-
-void	handle_path(t_cmd **cmd_arr, char **envp)
-{
-	int		i;
-
-	i = 0;
-	while (cmd_arr[i])
-	{
-		if (!handle_builtin(cmd_arr[i]))
-			find_path(cmd_arr[i]->argv, envp);
-		i++;
-	}
-}
-
-void	fd_redirection(t_token *token, t_cmd *cmd)
-{
-	int	flag;
-
-	if (token->id == T_LESS) // '<'
-	{
-		flag = O_RDONLY | O_CREAT; // O_CREAT ? Pourquoi donc ?
-		if (cmd->fd_in != 0)
-			close(cmd->fd_in);
-		cmd->fd_in = open(token->next->content, flag);
-	}
-	else if (token->id == T_GREAT) // '>'
-	{
-		flag = O_WRONLY | O_CREAT | O_TRUNC;
-		cmd->fd_out = open(token->next->content, flag, S_IRWXU);
-	}
-	else if (token->id == T_DGREAT) // '>>'
-	{
-		flag = O_WRONLY | O_CREAT | O_APPEND;
-		cmd->fd_out = open(token->next->content, flag, S_IRWXU);
-	}
-}
-
-void	fd_heredoc(t_token *token, t_cmd *cmd)
-{
-	(void)token;
-	(void)cmd;
-}
-
-void	handle_fd(t_token *token, t_cmd **cmd_arr)
-{
-	int	*pipes_fd;
-	int	i;
-
-	i = 0;
-	while (cmd_arr[i])
-	{
-		cmd_arr[i]->fd_out = 1;
-		while (token && token->id != T_PIPE)
-		{
-			if (token->id == T_DGREAT) // '<<'
-				fd_heredoc(token, cmd_arr[i]);
-			else
-				fd_redirection(token, cmd_arr[i]);
-			token = token->next;
-		}
-		if (token && token->id == T_PIPE)
-		{
-			token = token->next;
-			pipes_fd = calloc(2, sizeof(int));
-			pipe(pipes_fd);
-			if (cmd_arr[i]->fd_out == 1)
-				cmd_arr[i]->fd_out = pipes_fd[1];
-			else
-				close(pipes_fd[1]);
-			cmd_arr[i + 1]->fd_in = pipes_fd[0];
-		}
-		i++;
-	}
-}
diff --git a/srcs/parsing/cmd_array.c b/srcs/parsing/create_pipeline.c
similarity index 63%
rename from srcs/parsing/cmd_array.c
rename to srcs/parsing/create_pipeline.c
index b57386c..851e172 100644
--- a/srcs/parsing/cmd_array.c
+++ b/srcs/parsing/create_pipeline.c
@@ -1,12 +1,12 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   cmd_array.c                                        :+:      :+:    :+:   */
+/*   create_pipeline.c                                  :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/02 22:46:23 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/14 12:24:39 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/29 12:29:27 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -28,47 +28,47 @@ size_t	count_pipes(t_token *t)
 	return (count);
 }
 
-t_cmd	**cmd_array_alloc(size_t cmd_nbr)
+t_cmd	**pipeline_alloc(size_t cmd_nbr)
 {
-	t_cmd	**cmd_arr;
+	t_cmd	**pipeline;
 	size_t	i;
 
-	cmd_arr = ft_calloc(cmd_nbr + 1, sizeof (void *));
-	if (!cmd_arr)
-		return (ft_retp_perror(NULL, "cmd_array_alloc()"));
+	pipeline = ft_calloc(cmd_nbr + 1, sizeof (void *));
+	if (!pipeline)
+		return (ft_retp_perror(NULL, "pipeline_alloc()"));
 	i = 0;
 	while (i < cmd_nbr)
 	{
-		cmd_arr[i] = ft_calloc(1, sizeof (*cmd_arr[i]));
-		if (!cmd_arr[i])
+		pipeline[i] = ft_calloc(1, sizeof (*pipeline[i]));
+		if (!pipeline[i])
 		{
-			ft_free_2d_arr(cmd_arr);
-			return (ft_retp_perror(NULL, "cmd_array_alloc()"));
+			ft_free_2d_arr(pipeline);
+			return (ft_retp_perror(NULL, "pipeline_alloc()"));
 		}
-		cmd_arr[i]->fd_in = STDIN_FILENO;
-		cmd_arr[i]->fd_out = STDOUT_FILENO;
+		pipeline[i]->fd_in = STDIN_FILENO;
+		pipeline[i]->fd_out = STDOUT_FILENO;
 		i++;
 	}
-	return (cmd_arr);
+	return (pipeline);
 }
 
-int	cmd_array_fill_argv(t_token *t, t_cmd **cmd_arr)
+int	pipeline_fill_argv(t_token *t, t_cmd **pipeline)
 {
 	size_t	i;
 	size_t	arg_i;
 
 	i = 0;
-	while (cmd_arr[i])
+	while (pipeline[i])
 	{
-		cmd_arr[i]->argv = ft_calloc(cmd_words_count(t) + 1, sizeof (char *));
-		if (!cmd_arr[i]->argv)
-			return (ft_reti_perror(0, "cmd_array_fill_argv()"));
+		pipeline[i]->argv = ft_calloc(cmd_words_count(t) + 1, sizeof (char *));
+		if (!pipeline[i]->argv)
+			return (ft_reti_perror(0, "pipeline_fill_argv()"));
 		arg_i = 0;
 		while (t && t->id != '|')
 		{
 			if (t->id == T_WORD)
 			{
-				cmd_arr[i]->argv[arg_i++] = t->content;
+				pipeline[i]->argv[arg_i++] = t->content;
 				t->content = NULL;
 			}
 			t = t->next;
diff --git a/srcs/parsing/expansions/expand_token.c b/srcs/parsing/expansions/expand_token.c
index 7885052..90ab62f 100644
--- a/srcs/parsing/expansions/expand_token.c
+++ b/srcs/parsing/expansions/expand_token.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/07 02:01:33 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/11 21:04:41 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/26 21:54:42 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,13 +14,6 @@
 
 t_list	*ft_lstnew_generic(size_t lst_sizse, size_t content_size);
 
-enum	e_in_quote_state
-{
-	NOT_IN = 0,
-	IN_QUOTES = '\'',
-	IN_DQUOTES = '\"'
-};
-
 static t_list	*ret_parameter_expansion(char *content, int *i);
 
 t_list	*expand_token(char *content)
@@ -92,7 +85,7 @@ static t_list	*ret_parameter_expansion(char *content, int *i)
 	if (content[*i] == '?')
 	{
 		(*i)++;
-		expand->content = ft_itoa(g_all->last_exit_status);
+		expand->content = ft_itoa(get_last_exit_status());
 		return (ft_retp_free(expand, tmp, free));
 	}
 	else if (content[*i] != '_' && !ft_isalpha(content[*i]))
diff --git a/srcs/parsing/expansions/ft_split_quotes.c b/srcs/parsing/expansions/ft_split_quotes.c
index 83ccb22..8caf895 100644
--- a/srcs/parsing/expansions/ft_split_quotes.c
+++ b/srcs/parsing/expansions/ft_split_quotes.c
@@ -6,19 +6,12 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/13 07:08:40 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/13 22:35:34 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/26 21:27:10 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-enum	e_in_quote_state
-{
-	NOT_IN = 0,
-	IN_QUOTES = '\'',
-	IN_DQUOTES = '\"'
-};
-
 static size_t	count_word(char const *s, char c);
 static char		**alloc_words(char const *s, char c, char **str_arr,
 					size_t words_count);
diff --git a/srcs/parsing/expansions/ft_strdup_quotes.c b/srcs/parsing/expansions/ft_strdup_quotes.c
index 1b4525f..65d04fb 100644
--- a/srcs/parsing/expansions/ft_strdup_quotes.c
+++ b/srcs/parsing/expansions/ft_strdup_quotes.c
@@ -6,18 +6,12 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/13 04:35:06 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/14 06:01:45 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/26 21:27:05 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-enum	e_in_quote_state
-{
-	NOT_IN = 0,
-	IN_QUOTES = '\'',
-	IN_DQUOTES = '\"'
-};
 static int	quote_state_change(int *quote_state, const char *s);
 
 /* Duplicate a string minus the quoting characters ['] and ["]*/
diff --git a/srcs/parsing/expansions/new_token_for_each_field.c b/srcs/parsing/expansions/new_token_for_each_field.c
index 90db9a9..fa0eca5 100644
--- a/srcs/parsing/expansions/new_token_for_each_field.c
+++ b/srcs/parsing/expansions/new_token_for_each_field.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/07 02:01:33 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/07 04:33:04 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/30 13:46:46 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -55,8 +55,7 @@ static t_token	*insert_tokens(t_token *t, t_token *insert_lst)
 	t_token	*insert_lst_last;
 
 	t->id = 0;
-	free(t->content);
-	t->content = NULL; // TODO : free_null()
+	ft_free_null(&t->content);
 	if (!insert_lst)
 		return (t);
 
diff --git a/srcs/parsing/expansions/words_expansions.c b/srcs/parsing/expansions/words_expansions.c
index a802bee..dfc9eb9 100644
--- a/srcs/parsing/expansions/words_expansions.c
+++ b/srcs/parsing/expansions/words_expansions.c
@@ -6,19 +6,12 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/07 02:01:33 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/16 03:45:15 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/26 21:05:01 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-enum	e_in_quote_state
-{
-	NOT_IN = 0,
-	IN_QUOTES = '\'',
-	IN_DQUOTES = '\"'
-};
-
 t_list	*ft_lstnew_generic(size_t lst_sizse, size_t content_size);
 t_list	*expand_token(char *content);
 char	*rejoin_after_expand(t_list *expand_lst);
diff --git a/srcs/parsing/parsing.c b/srcs/parsing/parsing.c
index 1238543..a8f0f86 100644
--- a/srcs/parsing/parsing.c
+++ b/srcs/parsing/parsing.c
@@ -6,19 +6,12 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/24 10:52:40 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 22:35:07 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/29 12:28:07 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-// HUGO WIP
-void	handle_path(t_cmd **cmd_arr, char **envp);
-void	find_path(char **argv, char **envp);
-int		handle_builtin(t_cmd *cmd);
-int		fill_builtin(t_cmd *cmd, int (*builtin)(int, char **, t_all *));
-// HUGO WIP
-
 void	save_redirections_words(t_token *t)
 {
 	while (t)
@@ -33,25 +26,25 @@ void	save_redirections_words(t_token *t)
 	}
 }
 
-void	print_cmd_array(t_cmd **cmd_arr)
+void	print_pipeline(t_cmd **pipeline)
 {
 	int	i;
 
 	i = 0;
-	while (cmd_arr[i])
+	while (pipeline[i])
 	{
-		printf("CMD %i, fd_in=%i, fd_out=%i\n", i, cmd_arr[i]->fd_in, cmd_arr[i]->fd_out);
+		printf("CMD %i, fd_in=%i, fd_out=%i\n", i, pipeline[i]->fd_in, pipeline[i]->fd_out);
 		ft_putstr_fd("	|", 1);
-		print_matrix(cmd_arr[i]->argv, "|\n	|");
+		print_matrix(pipeline[i]->argv, "|\n	|");
 		i++;
-		if (cmd_arr[i])
+		if (pipeline[i])
 			ft_putstr_fd("----------------\n", 1);
 	}
 }
 
 t_cmd	**parsing(t_token *token_list)
 {
-	t_cmd	**cmd_arr;
+	t_cmd	**pipeline;
 
 	if (!valid_syntax(token_list))
 		return (NULL);
@@ -74,20 +67,20 @@ t_cmd	**parsing(t_token *token_list)
 	//ft_lstprint((t_list *)token_list, 1);
 
 	// Struct CMD alloc
-	cmd_arr = cmd_array_alloc(1 + count_pipes(token_list));
-	if (!cmd_arr)
+	pipeline = pipeline_alloc(1 + count_pipes(token_list));
+	if (!pipeline)
 		return (NULL);
 
 	// 2.9.1 - 3) Redirection
-	if (!redirections(token_list, cmd_arr))
-		return (ft_retp_free(NULL, &cmd_arr, (t_free_f)free_pipeline));
+	if (!redirections(token_list, pipeline))
+		return (ft_retp_free(NULL, &pipeline, (t_free_f)free_pipeline));
 
 	// Struct CMD fill
-	if (!cmd_array_fill_argv(token_list, cmd_arr))
-		return (ft_retp_free(NULL, &cmd_arr, (t_free_f)free_pipeline));
-	print_cmd_array(cmd_arr);
+	if (!pipeline_fill_argv(token_list, pipeline))
+		return (ft_retp_free(NULL, &pipeline, (t_free_f)free_pipeline));
+	print_pipeline(pipeline);
 	
-	return (cmd_arr);
+	return (pipeline);
 }
 
 /* -------------------------------------------------------
diff --git a/srcs/parsing/redirections/here_doc.c b/srcs/parsing/redirections/here_doc.c
index 37e8936..76dfa49 100644
--- a/srcs/parsing/redirections/here_doc.c
+++ b/srcs/parsing/redirections/here_doc.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/11 18:46:43 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/26 15:03:37 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/02 15:32:56 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -29,23 +29,24 @@ int	here_doc(char *delimiter)
 	// Peut-être remplacer gnl() par readline() pour avoir une gestion correct
 	// du terminal (actuellement l'affichage lors du changement de ligne est foireux).
 	int	here_doc;
+	int	ret;
 
-	here_doc = open(TMP_HERE_DOC, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU);
-	if (here_doc == -1)
-		return (ft_reti_perror_io(-1, "open() ", TMP_HERE_DOC));
 	delimiter = ft_strdup_quotes(delimiter);
 	if (!delimiter)
 		return (ft_reti_perror(-1, "ft_strdup_quotes()"));
-	if (!here_doc_write(delimiter, here_doc))
-	{
-		free(delimiter);
-		if (unlink(TMP_HERE_DOC) == -1)
-			return (ft_reti_perror_io(-1, "unlink() ", TMP_HERE_DOC));
-		return (-1);
-	}
+	here_doc = open(TMP_HERE_DOC, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU);
+	if (here_doc == -1)
+		return (ft_reti_perror_io(-1, "open() ", TMP_HERE_DOC));
+	ret = here_doc_write(delimiter, here_doc);
 	free(delimiter);
 	if (close(here_doc) == -1)
 		ft_perror_io("close() ", TMP_HERE_DOC);
+	if (ret != 0)
+	{
+		if (unlink(TMP_HERE_DOC) == -1)
+			return (ft_reti_perror_io(ret, "unlink() ", TMP_HERE_DOC));
+		return (ret);
+	}
 	here_doc = open(TMP_HERE_DOC, O_RDONLY);
 	if (here_doc == -1)
 		ft_perror_io("open() ", TMP_HERE_DOC);
@@ -77,11 +78,12 @@ static int	here_doc_write(char *delimiter, int doc_fd)
 {
 	char	*line;
 	size_t	line_count;
-	struct	sigaction	signal_action;
+	struct sigaction	signal_action;
 
+	ft_bzero(&signal_action, sizeof(signal_action));
 	signal_action.sa_handler = sigint_handler_heredoc;
 	sigaction(SIGINT, &signal_action, NULL);
-	switch_heredoc_sigint = 0;
+	g_switch_heredoc_sigint = 0;
 	rl_event_hook = void_func_return_readline;
 	//rl_signal_event_hook = void_func_return_readline;
 	line_count = 0;
@@ -90,11 +92,8 @@ static int	here_doc_write(char *delimiter, int doc_fd)
 		line_count++;
 		line = NULL;
 		line = readline("> ");
-		if (switch_heredoc_sigint == 1)
-		{
-			// todo : gerer le statut exit 130
-			return (1);
-		}
+		if (g_switch_heredoc_sigint == 1)
+			return (set_last_exit_status(EXIT_SIGNAL + SIGINT));
 		if (!line)
 		{ // TODO : error print wrapper
 			ft_putstr_fd("minishell: ", 2);
@@ -103,20 +102,20 @@ static int	here_doc_write(char *delimiter, int doc_fd)
 			ft_putstr_fd(" delimited by end-of-file (wanted `", 2);
 			ft_putstr_fd(delimiter, 2);
 			ft_putstr_fd("')\n", 2);
-			return (1);
+			return (-1);
 		}
 		if (ft_strncmp(line, delimiter, ft_strlen(line) + 1) == 0) // Ou ft_strlen(delimiter) + 1 ? Ça devrais être identique et ça peux se calculer une seul fois.
 			break ;
 		if (write(doc_fd, line, ft_strlen(line)) == -1)
-			return (ft_reti_perror_free(0, line, free, "write() "TMP_HERE_DOC));
+			return (ft_reti_perror_free(-1, line, free, "write() "TMP_HERE_DOC));
 		if (write(doc_fd, "\n", 1) == -1)
-			return (ft_reti_perror_free(0, line, free, "write() "TMP_HERE_DOC));
+			return (ft_reti_perror_free(-1, line, free, "write() "TMP_HERE_DOC));
 		free(line);
 	}
 	free(line);
 	signal_action.sa_handler = SIG_IGN;
 	sigaction(SIGINT, &signal_action, NULL);
-	return (1);
+	return (0);
 }
 
 /* 
diff --git a/srcs/parsing/redirections/redirections.c b/srcs/parsing/redirections/redirections.c
index a8bcc55..5b3bea9 100644
--- a/srcs/parsing/redirections/redirections.c
+++ b/srcs/parsing/redirections/redirections.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/11 18:46:43 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/18 22:17:44 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/29 12:39:05 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,23 +17,23 @@ int			here_doc(char *delimiter);
 static int	redirect_cmd_input(t_token *t, t_cmd *cmd);
 static int	redirect_cmd_output(t_token *t, t_cmd *cmd);
 
-int	redirections(t_token *t, t_cmd **cmd_arr)
+int	redirections(t_token *t, t_cmd **pipeline)
 {
 	int	i;
 
 	i = 0;
 	while (t)
 	{
-		if (!cmd_arr[i]->error)
+		if (!pipeline[i]->error)
 		{
 			if (t->id == '<' || t->id == T_DLESS)
 			{
-				if (!redirect_cmd_input(t, cmd_arr[i]))
+				if (!redirect_cmd_input(t, pipeline[i]))
 					return (0);
 			}
 			else if (t->id == '>' || t->id == T_DGREAT)
 			{
-				if (!redirect_cmd_output(t, cmd_arr[i]))
+				if (!redirect_cmd_output(t, pipeline[i]))
 					return (0);
 			}
 		}
@@ -60,14 +60,19 @@ static int	redirect_cmd_input(t_token *t, t_cmd *cmd)
 		if (cmd->fd_in == -1)
 		{
 			ft_perror_io("open() ", t->next->content); // todo error
-			cmd->error = 42; // WIP error status
+			cmd->error = EXIT_REDIRECTION;
 		}
 	}
 	else if (t->id == T_DLESS)
 	{
 		cmd->fd_in = here_doc(t->next->content);
 		if (cmd->fd_in == -1)
-			return (ft_reti_print(0, "minishell: heredoc error\n", 2));
+		{
+			ft_putstr_fd("minishell: heredoc error\n", 2);
+			cmd->error = EXIT_REDIRECTION;
+		}
+		else if (cmd->fd_in > EXIT_SIGNAL)
+			return (0);
 	}
 	return (1);
 }
@@ -93,7 +98,7 @@ static int	redirect_cmd_output(t_token *t, t_cmd *cmd)
 	if (cmd->fd_out == -1)
 	{
 		ft_perror_io("open() ", t->next->content);
-		cmd->error = 42; // WIP error status
+		cmd->error = EXIT_REDIRECTION;
 	}
 	return (1);
 }
diff --git a/srcs/shell_loop.c b/srcs/shell_loop.c
index d6ec04a..1a65c3c 100644
--- a/srcs/shell_loop.c
+++ b/srcs/shell_loop.c
@@ -6,12 +6,14 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/04 05:59:26 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/17 15:29:35 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/01 14:45:04 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
+static char	*read_input(char *prompt, t_all *c);
+
 void	shell_loop(t_all *c)
 {
 	char	*line_input;
@@ -21,32 +23,38 @@ void	shell_loop(t_all *c)
 	{
 		if (line_input)
 			free(line_input);
-		c->signal_behaviour.sa_handler = sigint_handler_interactive;
-		sigaction(SIGINT, &c->signal_behaviour, NULL);
-		line_input = readline(c->prompt);
+		line_input = read_input(c->prompt, c);
 		if (line_input && *line_input)
 		{
-			c->signal_behaviour.sa_handler = SIG_IGN;
-			sigaction(SIGINT, &c->signal_behaviour, NULL);
 			add_history(line_input);
-			// Lexing
-			c->token_list = input_to_tokens(line_input);
-			free(line_input);
-			line_input = NULL; // TODO : free_null()
+			c->token_list = lexing(line_input);
+			ft_free_null(&line_input);
 			if (!c->token_list)
 				continue ;
-			// Parsing
-			c->cmd_arr = parsing(c->token_list);
+			c->pipeline = parsing(c->token_list);
 			ft_lstclear((t_list **)&c->token_list, free);
-			if (!c->cmd_arr)
+			if (!c->pipeline)
 				continue ;
-			// Exec Pipeline
 			exec_cmd_line(c);
 		}
-		else if (!line_input)
-		{
-			write(1, "exit\n", 5);
-			free_exit(c, c->last_exit_status);
-		}
 	}
 }
+
+static char	*read_input(char *prompt, t_all *c)
+{
+	char				*line_input;
+	struct sigaction	signal_behaviour;
+
+	ft_bzero(&signal_behaviour, sizeof signal_behaviour);
+	signal_behaviour.sa_handler = sigint_handler_interactive;
+	sigaction(SIGINT, &signal_behaviour, NULL);
+	line_input = readline(prompt);
+	signal_behaviour.sa_handler = SIG_IGN;
+	sigaction(SIGINT, &signal_behaviour, NULL);
+	if (!line_input)
+	{
+		write(1, "exit\n", 5);
+		exit_free(c, get_last_exit_status());
+	}
+	return (line_input);
+}
diff --git a/srcs/shell_script.c b/srcs/shell_script.c
index 017d4aa..7790cfb 100644
--- a/srcs/shell_script.c
+++ b/srcs/shell_script.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/26 23:47:44 by lperrey           #+#    #+#             */
-/*   Updated: 2021/10/30 15:01:13 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/11/29 12:43:44 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,5 +15,5 @@
 void	shell_script(t_all *c) // WIP
 {
 	ft_putstr_fd("Shell Script Placeholder\n", 1);
-	free_exit(c, EXIT_SUCCESS);
+	exit_free(c, EXIT_SUCCESS);
 }
diff --git a/srcs/signals.c b/srcs/signals.c
index e0a2371..61445b6 100644
--- a/srcs/signals.c
+++ b/srcs/signals.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/23 18:56:53 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/25 10:02:53 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/26 21:45:22 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -24,7 +24,7 @@ void	sigint_handler_interactive(int signum)
 void	sigint_handler_heredoc(int signum)
 {
 	(void)signum;
-	switch_heredoc_sigint = 1;
+	g_switch_heredoc_sigint = 1;
 	rl_done = 1;
 //	write (1, rl_line_buffer, ft_strlen(rl_line_buffer) + 1);
 //	rl_line_buffer = "\004";
diff --git a/test_environ.c b/test_environ.c
deleted file mode 100644
index 11bb493..0000000
--- a/test_environ.c
+++ /dev/null
@@ -1,163 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-
-# define COL_GREEN "\001\e[0;32m\002"
-# define COL_BROWN "\001\e[0;33m\002"
-# define COL_PURPL "\001\e[0;35m\002"
-# define _END "\001\e[0m\002"
-
-size_t	ft_strlen(const char *s);
-char	*ft_strdup(const char *s);
-size_t	ft_2d_arrlen(void *ptr);
-void	*ft_dup_2d_arr(void	*ptr, void *(*dup_func)(void *));
-void	print_matrix(char **matrix, char *sep);
-void	*ft_resize_2d_arr(void *ptr, size_t add_nbr);
-typedef void	*(*t_dup_f)(void *);
-
-
-int	main(int argc, char *argv[], char *envp[])
-{
-	extern char	**environ;
-	int			env_len;
-	char		*print;
-	char		*env_var;
-
-	(void)argc;
-	(void)argv;
-
-print = COL_GREEN"\n[original <environ>] :\n"_END;
-write(1, print, strlen(print));
-	env_len = ft_2d_arrlen(environ);
-	printf("\nenviron_len: %i\nenviron :\n", env_len);
-	print_matrix(environ, "\n");
-
-print = COL_GREEN"\n[getenv] :\n"_END;
-write(1, print, strlen(print));
-	env_var = getenv("TESTT");
-	if (env_var)
-		write(1, COL_PURPL"FOUND\n"_END, 21);
-	else
-		write(1, COL_PURPL"NOT FOUND\n"_END, 25);
-
-print = COL_BROWN"\n[resize <environ>]...\n"_END;
-write(1, print, strlen(print));
-	environ = ft_resize_2d_arr(environ, 1);
-
-print = COL_BROWN"\n[add to <environ>]...\n"_END;
-write(1, print, strlen(print));
-	environ[env_len] = "TESTT=testt";
-
-print = COL_GREEN"\n[modified <environ>] :\n"_END;
-write(1, print, strlen(print));
-	env_len = ft_2d_arrlen(environ);
-	printf("\nenviron_len: %i\nenviron :\n", env_len);
-	print_matrix(environ, "\n");
-
-print = COL_GREEN"\n[getenv] :\n"_END;
-write(1, print, strlen(print));
-	env_var = getenv("TESTT");
-	if (env_var)
-		write(1, COL_PURPL"FOUND\n"_END, 21);
-	else
-		write(1, COL_PURPL"NOT FOUND\n"_END, 25);
-
-printf("\n%s\n", env_var);
-
-	return (0);
-}
-
-void	*ft_resize_2d_arr(void *ptr, size_t add_nbr)
-{
-	unsigned int	i;
-	char			**arr;
-	char			**new_arr;
-
-	new_arr = malloc((ft_2d_arrlen(ptr) + add_nbr + 1) * sizeof (void *));
-	arr = (char **)ptr;
-	i = 0;
-	while (arr[i])
-	{
-		new_arr[i] = arr[i];
-		i++;
-	}
-//	free(arr);
-	return (new_arr);
-}
-
-void	print_matrix(char **matrix, char *sep)
-{
-	int	i;
-
-	i = 0;
-	while (matrix[i])
-	{
-		printf("%s", matrix[i]);
-		if (matrix[i + 1])
-			printf("%s", sep);
-		fflush(stdout);
-		i++;
-	}
-	write(1, "\n", 1);
-}
-
-size_t	ft_strlen(const char *s)
-{
-	size_t	len;
-
-	len = 0;
-	while (s[len] != '\0')
-		len++;
-	return (len);
-}
-
-char	*ft_strdup(const char *s)
-{
-	unsigned int	i;
-	char			*dup;
-
-	dup = malloc(ft_strlen(s) + 1);
-	if (!dup)
-		return (NULL);
-	i = 0;
-	while (s[i])
-	{
-		dup[i] = s[i];
-		i++;
-	}
-	dup[i] = '\0';
-	return (dup);
-}
-
-size_t	ft_2d_arrlen(void *ptr) // Replace ft_arrlen()
-{
-	size_t	len;
-	char	**arr;
-
-	arr = (char **)ptr;
-	len = 0;
-	while (arr[len] != NULL)
-		len++;
-	return (len);
-}
-
-void	*ft_dup_2d_arr(void	*ptr, void *(*dup_func)(void *))
-{
-	unsigned int	i;
-	char			**arr;
-	char			**new_arr;
-
-	new_arr = malloc((ft_2d_arrlen(ptr) + 1) * sizeof (void *));
-	if (!new_arr)
-		return (NULL);
-	arr = (char **)ptr;
-	i = 0;
-	while (arr[i])
-	{
-		new_arr[i] = dup_func(arr[i]);
-		i++;
-	}
-	new_arr[i] = NULL;
-	return (new_arr);
-}
diff --git a/tests/env_var_test.c b/tests/env_var_test.c
new file mode 100644
index 0000000..6c15b4f
--- /dev/null
+++ b/tests/env_var_test.c
@@ -0,0 +1,17 @@
+
+# include <stdio.h>
+# include <stdlib.h>
+
+int	main(int argc, char *argv[], char *envp[])
+{
+	int i;
+
+	printf("argc = %i\n", argc);
+	i = 0;
+	while (argv[i])
+	{
+		printf("%s = |%s|\n", argv[i], getenv(argv[i]));
+		i++;
+	}
+	return (0);
+}