diff --git a/README.md b/README.md
index 723ab09..9309be7 100644
--- a/README.md
+++ b/README.md
@@ -193,7 +193,9 @@ test
 - [process substitution](https://www.gnu.org/software/bash/manual/bash.html#Process-Substitution)
 - [send one command to two pipes](https://stackoverflow.com/questions/13107783/pipe-output-to-two-different-commands)
 - [send two commands to one pipe](https://askubuntu.com/questions/133386/how-to-merge-and-pipe-results-from-two-different-commands-to-single-command)
-- ["[" vs "[[" in bash](https://stackoverflow.com/questions/13542832/difference-between-single-and-double-square-brackets-in-bash)
+- ["\[" vs "\[\[" in bash](https://stackoverflow.com/questions/13542832/difference-between-single-and-double-square-brackets-in-bash)
+- [redirections in bash](https://stackoverflow.com/questions/818255/in-the-shell-what-does-21-mean)
+- [bash variable of variable](https://stackoverflow.com/questions/10757380/bash-variable-variables)
 
 
 ```text
diff --git a/file.log b/file.log
new file mode 100644
index 0000000..9daeafb
--- /dev/null
+++ b/file.log
@@ -0,0 +1 @@
+test
diff --git a/srcs/init.c b/srcs/init.c
index 92f24a6..576e6ba 100644
--- a/srcs/init.c
+++ b/srcs/init.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 09:22:12 by lperrey           #+#    #+#             */
-/*   Updated: 2021/12/02 01:38:22 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/03 06:55:40 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,7 +18,9 @@ static int	init_readline_hook(void);
 int	init(t_all *c)
 {
 	ft_bzero(c, sizeof (*c));
+//	rl_instream = stdin;
 	rl_outstream = stderr;
+//	rl_outstream = stdout;
 	rl_startup_hook = init_readline_hook;
 	readline(NULL);
 	rl_startup_hook = NULL;
diff --git a/srcs/shell_loop.c b/srcs/shell_loop.c
index 1a65c3c..fd9d2c9 100644
--- a/srcs/shell_loop.c
+++ b/srcs/shell_loop.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/04 05:59:26 by lperrey           #+#    #+#             */
-/*   Updated: 2021/12/01 14:45:04 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/02 17:11:55 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,6 +23,9 @@ void	shell_loop(t_all *c)
 	{
 		if (line_input)
 			free(line_input);
+//		write(2, c->prompt, ft_strlen(c->prompt));
+//		rl_already_prompted = 1;
+//		line_input = read_input(NULL, c);
 		line_input = read_input(c->prompt, c);
 		if (line_input && *line_input)
 		{
@@ -53,7 +56,7 @@ static char	*read_input(char *prompt, t_all *c)
 	sigaction(SIGINT, &signal_behaviour, NULL);
 	if (!line_input)
 	{
-		write(1, "exit\n", 5);
+		write(2, "exit\n", 5);
 		exit_free(c, get_last_exit_status());
 	}
 	return (line_input);
diff --git a/tests/test_unit.sh b/tests/test_unit.sh
deleted file mode 100644
index dfa13fa..0000000
--- a/tests/test_unit.sh
+++ /dev/null
@@ -1,118 +0,0 @@
-#!/bin/bash
-
-cp ../minishell .
-
-RED="\001\e[0;31m\002"
-GREEN="\001\e[0;32m\002"
-YELLOW="\001\e[0;33m\002"
-BLUE="\001\e[0;34m\002"
-MAGENTA="\001\e[0;35m\002"
-CYAN="\001\e[0;36m\002"
-WHITE="\001\e[0;37m\002"
-
-B_RED="\001\e[1;31m\002"
-B_GREEN="\001\e[1;32m\002"
-B_YELLOW="\001\e[1;33m\002"
-B_BLUE="\001\e[1;34m\002"
-B_MAGENTA="\001\e[1;35m\002"
-B_CYAN="\001\e[1;36m\002"
-B_WHITE="\001\e[1;37m\002"
-
-ENDCO="\001\e[0m\002"
-
-list_files="\
-	tunit_0.sh"
-#	tunit_1.sh \
-#	tunit_2.sh \
-#	tunit_3.sh \
-#	"
-
-TOTAL_TEST=0
-SUCCESS_TEST=0
-
-function test_bash
-{
-	# execute commands in bash and minishell
-	bash_execution=$( echo "$@" | bash -i 2>&1 )
-	minishell_execution=$( echo "$@" | ./minishell )
-	#echo "minishell_execution :"
-	#echo "$minishell_execution"
-	#echo "$minishell_execution" | cat -e
-	echo "bash_execution :"
-	echo "$bash_execution"
-	echo "$bash_execution" | cat -e
-	echo ""
-
-	# extract informations
-	first_command=$( head -1 <<< "$@" )
-	echo "first_command:"
-	echo "$first_command"
-	echo ""
-
-	#f_cmd_length=${#first_command}
-	#bash_prompt=$( head -1 <<< "$bash_execution" | sed "s/${first_command}//g")
-	bash_prompt=$( head -1 <<< "$bash_execution")
-	#bash_prompt=${bash_prompt::-$f_cmd_length}
-	echo "bash_prompt :"
-	echo "$bash_prompt"
-	echo "$bash_prompt" | cat -e
-	echo ""
-	echo ""
-
-	myoutput=$( grep -v "simplonco" <<< "$bash_execution" )
-	echo "myoutput :"
-	echo "$myoutput"
-	echo ""
-
-	((SUCCESS_TEST++))
-}
-
-function print_results
-{
-	if [ $SUCCESS_TEST -eq 0 ]
-	then
-		echo -en $B_RED $SUCCESS_TEST $ENDCO
-	elif [ $SUCCESS_TEST -eq $TOTAL_TEST ]
-	then
-		echo -en $B_GREEN $SUCCESS_TEST $ENDCO
-	else
-		echo -en $B_MAGENTA $SUCCESS_TEST $ENDCO
-	fi
-	echo -e $B_WHITE"/ $TOTAL_TEST"$ENDCO
-}
-
-# parse tests files line by line, grouping lines non-separated by an empty line
-for i in $list_files
-do
-	filename=$i
-	echo -e "\n"$B_YELLOW"test file : $i"$ENDCO
-	command_test=""
-	last_line="$(tail -1 $i)"
-	((TOTAL_TEST=0))
-	((SUCCESS_TEST=0))
-	while read line
-	do
-		if [ "$line" != "" ]
-		then
-			if [ "$command_test" == "" ]
-			then
-				command_test="$line"
-			else
-				command_test+=$'\n'
-				command_test+="$line"
-			fi
-			if [ "$line" == "$last_line" ]
-			then
-				((TOTAL_TEST++))
-				test_bash "$command_test"
-			fi
-		elif [ "$command_test" != "" ]
-		then
-			((TOTAL_TEST++))
-			test_bash "$command_test"
-			command_test=""
-		fi
-	done < $filename
-	print_results
-done
-