From 5577b6ac86bca69ecf8c857c50c95faf67062a3a Mon Sep 17 00:00:00 2001
From: hugogogo <hugogogo@protonmail.com>
Date: Thu, 14 Oct 2021 00:51:52 +0200
Subject: [PATCH] reflexion sur parsing

---
 README.md | 73 ++++++++++++++++++++++++++++++++++++++++++++++---------
 echo      | 12 +++++++++
 2 files changed, 73 insertions(+), 12 deletions(-)
 create mode 100644 echo

diff --git a/README.md b/README.md
index 21492cb..9d5a6d1 100644
--- a/README.md
+++ b/README.md
@@ -10,18 +10,67 @@
 	- unset
 	- env
 	- ~~exit~~
-- '  _(ignore any special characters)_ --> [ressource](https://linuxhandbook.com/quotes-in-bash/)
-- "  _(ignore any special characters except '$')_
-- 
-- 
-- 
-- 
-- 
-- 
-- 
-- 
-- 
-- 
+- '  *(ignore any special characters)* --> [ressource](https://linuxhandbook.com/quotes-in-bash/)
+- "  *(ignore any special characters except '$')*
+- unclosed quotes ?
+- **redirection :**
+	- >		*input*
+	- >		*output*
+	- <<	*read input until empty line -- doesn't update history*
+	- >>	*redirect and append*
+- |
+- $
+- $?
+- **signals :**
+	- ^C  *close process*
+	- ^D  *exit minishell*
+	- ^\  *do nothing*
+- history
+
+--> [source of a minishell with an interesting README](https://git.42l.fr/Fabien/minishell)
+
+---
+
+[methode arbre binaire](https://fr.wikipedia.org/wiki/Arbre_binaire#Transformation_d'un_arbre_quelconque_en_un_arbre_binaire)
+
+```
+EXEMPLE :
+	'something "is 'new'" here'
+		something is new here
+			is new
+				new
+	'something "is"'new'  here'
+		something is
+		new
+		here
+
+ARCHITECTURE :
+	all
+	.	pipes
+	.	.	redirections (program or file)
+	.	.	.	arguments (nom arg arg arg ...)
+	.	.	.	.	special characters ($)
+	.	.	.	.	.
+EXEMPLE :	.	.	.
+	[sort < ./prgrm 'arg1 '$VARIABLE" arg3" | grep "word.$EXTENSION" | wc -l > file]
+	.	[sort < ./prgrm 'arg1 '$VARIABLE" arg3"]
+	.	.	[sort]	.
+	.	.	[./prgrm 'arg1 '$VARIABLE" arg3"]
+	.	.	.	[./prgrm]
+	.	.	.	['arg1 ']
+	.	.	.	[$VARIABLE]
+	.	.	.	.	[$VARIABLE]
+	.	.	.	[" arg3"]
+	.	[grep "word.$EXTENSION"]
+	.	.	.	[grep]
+	.	.	.	["word.$EXTENSION"]
+	.	.	.	.	[$EXTENSION]
+	.	[wc -l > file]
+	.	.	[wc -l]
+	.	.	.	[wc]
+	.	.	.	[-l]
+	.	.	[file]
+```
 
 ---
 
diff --git a/echo b/echo
new file mode 100644
index 0000000..c991a69
--- /dev/null
+++ b/echo
@@ -0,0 +1,12 @@
+builds
+echo
+headers
+libft
+Makefile
+minishell
+minishell.en.subject.pdf
+README.md
+ressources
+srcs
+tests
+valgrind_readline.supp