diff --git a/42sh/includes/glob.h b/42sh/includes/glob.h
index 6b8d2475..943ab15a 100644
--- a/42sh/includes/glob.h
+++ b/42sh/includes/glob.h
@@ -6,7 +6,7 @@
 /*   By: wescande <wescande@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/04 16:31:18 by wescande          #+#    #+#             */
-/*   Updated: 2017/01/24 21:22:58 by wescande         ###   ########.fr       */
+/*   Updated: 2017/01/27 19:13:15 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -22,14 +22,23 @@ typedef struct	s_ld
 	struct s_ld		*prev;
 }				t_ld;
 
-char			**glob(const char *str, char **env);
-t_ld			*expand_brace(const char *pat);
+typedef struct	s_glob
+{
+	const char	*pat;
+	const char	*esc;
+	t_ld		*match;
+	t_ld		*m_pat;
+}				t_glob;
+
+char			**glob(const char *str, const char *esc, char **env);
+void			expand_brace(t_glob *tglob);
 void			glob_print(t_list *token, t_data *data);
-int				match_pattern(const char *pat, char *str,
-								char *full_word, t_ld **match);
-void			dir_research(const char *pat, char *path, t_ld **match);
-void			dir_research_recursive(const char *pat, char *p, t_ld **match);
-bool			is_directory(const char *path);
+int				match_pattern(t_glob *tglob, char *str, char *full_word);
+void			dir_research(t_glob *tglob, char *path);
+void			dir_research_recursive(t_glob *tglob, char *p);
+int				is_directory(const char *path);
+
+int				is_char_esc(const char *esc, const char *ini_str, const char *str_pos);
 
 /*
 ** LIST D:
diff --git a/42sh/includes/lexer.h b/42sh/includes/lexer.h
index 03276719..e1dcf24f 100644
--- a/42sh/includes/lexer.h
+++ b/42sh/includes/lexer.h
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/01 12:15:50 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/12 14:57:41 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:52:11 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -63,6 +63,7 @@ struct	s_token
 {
 	t_type		type;
 	char		*data;
+	char		*esc;
 	int			size;
 };
 
@@ -75,7 +76,7 @@ extern int	(*g_lexer[])(t_list **alst, char *str);
 t_token		*token_init();
 int			ft_tokenize(t_list **alst, char *str, t_lexstate state);
 int			ft_post_tokenize(t_list **alst, char *str);
-int			token_append(t_token *token, char c);
+int			token_append(t_token *token, char c, short int esc);
 void		token_free(void *data, size_t size);
 int			token_cmp_type(t_token *token, t_type *ref);
 void		token_print(t_list *lst);
diff --git a/42sh/src/glob/dir_glob.c b/42sh/src/glob/dir_glob.c
index c4bdb128..804c9465 100644
--- a/42sh/src/glob/dir_glob.c
+++ b/42sh/src/glob/dir_glob.c
@@ -6,13 +6,13 @@
 /*   By: wescande <wescande@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/04 16:29:54 by wescande          #+#    #+#             */
-/*   Updated: 2017/01/24 21:16:42 by wescande         ###   ########.fr       */
+/*   Updated: 2017/01/27 18:32:54 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "glob.h"
 
-bool			is_directory(const char *path)
+int				is_directory(const char *path)
 {
 	struct stat path_stat;
 
@@ -20,7 +20,7 @@ bool			is_directory(const char *path)
 	return (S_ISDIR(path_stat.st_mode));
 }
 
-void			dir_research(const char *pat, char *p, t_ld **match)
+void			dir_research(t_glob *gl, char *p)
 {
 	DIR				*dir;
 	struct dirent	*in;
@@ -38,8 +38,8 @@ void			dir_research(const char *pat, char *p, t_ld **match)
 					path_tmp = ft_strjoin(p, in->d_name);
 				else
 					path_tmp = ft_strjoinf(ft_strjoin(p, "/"), in->d_name, 1);
-				if (match_pattern(pat, in->d_name, path_tmp, match))
-					ft_ld_pushfront(match, ft_strdup(path_tmp + 2 *
+				if (match_pattern(gl, in->d_name, path_tmp))
+					ft_ld_pushfront(&gl->match, ft_strdup(path_tmp + 2 *
 								(path_tmp[0] == '.' && path_tmp[1] == '/')));
 				ft_strdel(&path_tmp);
 			}
@@ -47,7 +47,7 @@ void			dir_research(const char *pat, char *p, t_ld **match)
 	}
 }
 
-void			dir_research_recursive(const char *pat, char *p, t_ld **match)
+void			dir_research_recursive(t_glob *gl, char *p)
 {
 	DIR				*dir;
 	struct dirent	*in;
@@ -66,9 +66,9 @@ void			dir_research_recursive(const char *pat, char *p, t_ld **match)
 				else
 					path_tmp = ft_strjoinf(ft_strjoin(p, "/"), in->d_name, 1);
 				if (is_directory(path_tmp))
-					dir_research_recursive(pat, path_tmp, match);
-				if (match_pattern(pat, in->d_name, path_tmp, match))
-					ft_ld_pushfront(match, ft_strdup(path_tmp + 2 *
+					dir_research_recursive(gl, path_tmp);
+				if (match_pattern(gl, in->d_name, path_tmp))
+					ft_ld_pushfront(&gl->match, ft_strdup(path_tmp + 2 *
 								(path_tmp[0] == '.' && path_tmp[1] == '/')));
 				ft_strdel(&path_tmp);
 			}
diff --git a/42sh/src/glob/expand_brace.c b/42sh/src/glob/expand_brace.c
index 501b7ac9..8db42a27 100644
--- a/42sh/src/glob/expand_brace.c
+++ b/42sh/src/glob/expand_brace.c
@@ -6,7 +6,7 @@
 /*   By: wescande <wescande@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/12 19:00:29 by wescande          #+#    #+#             */
-/*   Updated: 2017/01/24 19:15:35 by wescande         ###   ########.fr       */
+/*   Updated: 2017/01/27 20:12:12 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,7 +20,43 @@
 **			-char	*pat  -> pattern string to be looking for expand
 */
 
-static int		search_brace(t_ld **wk, char *str, int index)
+static char		**generate_tab(const char *pat, const char *esc, int dup)
+{
+	char	**my_tab;
+
+	if (!(my_tab = (char **)malloc(sizeof(char*) * 3)))
+		return (NULL);
+	if (dup)
+	{
+		my_tab[0] = ft_strdup(pat);
+		my_tab[1] = ft_strdup(esc);
+	}
+	else
+	{
+		my_tab[0] = (char *)pat;
+		my_tab[1] = (char *)esc;
+	}
+	my_tab[2] = NULL;
+	return (my_tab);
+}
+
+static char		*calc_expand_esc(const char *esc,
+		int nb_start, int nb_middle, int nb_end)
+{
+	char	*new_esc;
+	int		index;
+
+	new_esc = ft_memalloc(sizeof(char) * (nb_start + nb_middle + nb_end) / 8);
+	index = -1;
+	while (++index < nb_start)
+		new_esc[index / 8] |= (esc[index / 8] >> index % 8) & 1 << index % 8;
+	//copy the nb_start first bit of esc.
+	//append nb_middle bit at status 0
+	//append nb_end last bit from end of esc.
+	return (new_esc);
+}
+
+static int		search_brace(t_ld **wk, char *str, char *esc, int index)
 {
 	char	*start;
 	char	*s1;
@@ -29,17 +65,17 @@ static int		search_brace(t_ld **wk, char *str, int index)
 	start = NULL;
 	while (*str)
 	{
-		if (*str == '{')
-			start = str;
-		else if (*str == '}' && start)
+		start = *str == '{' ? str : start;
+		if (*str == '}' && start)
 		{
 			s1 = ft_strsub(start, 1, str - start - 1);
 			split = ft_strsplit(s1, ',');
 			ft_strdel(&s1);
 			s1 = ft_strsub((*wk)->content, 0, start - (char *)(*wk)->content);
 			while (split[++index])
-				ft_ld_pushfront(wk, ft_strjoinf(ft_strjoin(s1, split[index]),
-					str + 1, 1));
+				ft_ld_pushfront(wk, generate_tab(ft_strjoinf(ft_strjoin(s1,
+				split[index]), str + 1, 1), calc_expand_esc(esc,
+				ft_strlen(s1), ft_strlen(split[index]), ft_strlen(str +1)), 0));
 			ft_strdel(&s1);
 			ft_tabdel(&split);
 			return (1);
@@ -49,29 +85,27 @@ static int		search_brace(t_ld **wk, char *str, int index)
 	return (0);
 }
 
-t_ld			*expand_brace(const char *pat)
+void			expand_brace(t_glob *gl)
 {
-	t_ld	*ret;
 	t_ld	*tmp;
 	int		do_it;
 
-	ret = NULL;
-	ft_ld_pushfront(&ret, ft_strdup(""));
-	ft_ld_pushfront(&ret, ft_strdup(pat));
+	ft_ld_pushfront(&gl->m_pat, generate_tab("", "", 1));
+	ft_ld_pushfront(&gl->m_pat, generate_tab(gl->pat, gl->esc, 1));
 	do_it = 1;
 	while (do_it)
 	{
 		do_it = 0;
-		while (ret->next)
+		while (gl->m_pat->next)
 		{
-			if ((tmp = ret) && search_brace(&ret, ret->content, -1))
+			if ((tmp = gl->m_pat) && search_brace(&gl->m_pat,
+	((char **)gl->m_pat->content)[0],((char **)gl->m_pat->content)[1], -1))
 			{
-				ft_ld_del(&tmp, &ft_strdel);
+				ft_ld_del(&tmp, &ft_tabdel);
 				do_it = 1;
 			}
-			ret = ret->next;
+			gl->m_pat = gl->m_pat->next;
 		}
-		ret = ft_ld_front(ret);
+		gl->m_pat = ft_ld_front(gl->m_pat);
 	}
-	return (ret);
 }
diff --git a/42sh/src/glob/glob.c b/42sh/src/glob/glob.c
index 320b15eb..de095b22 100644
--- a/42sh/src/glob/glob.c
+++ b/42sh/src/glob/glob.c
@@ -6,7 +6,7 @@
 /*   By: wescande <wescande@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/04 16:29:54 by wescande          #+#    #+#             */
-/*   Updated: 2017/01/26 17:18:20 by wescande         ###   ########.fr       */
+/*   Updated: 2017/01/27 19:05:38 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,13 +21,13 @@
 **				to just expanse in local directory and not in path
 */
 
-static void		path_research(const char *pat, char **path, t_ld **match)
+static void		path_research(t_glob *tglob, char **path)
 {
 	int				i;
 
 	i = -1;
 	while (path[++i])
-		dir_research(pat, path[i], match);
+		dir_research(tglob, path[i]);
 }
 
 static char		**treat_glob(t_ld **match)
@@ -42,30 +42,54 @@ static char		**treat_glob(t_ld **match)
 	return (gl);
 }
 
-char			**glob(const char *pat, char **env)
+static void		add_simple_pat(t_glob *gl)
 {
-	t_ld	*match;
-	char	**path;
-	t_ld	*mul_pat;
+	char	*str;
+	int		start;
 
-	match = NULL;
-	mul_pat = expand_brace(pat);
-	while (mul_pat->next)
+	str = ((char **)gl->m_pat->content)[0];
+	start = 0;
+	while (*str)
 	{
-		if (!(((char *)mul_pat->content)[0] == '/'
-			|| (((char *)mul_pat->content)[0] == '.'
-			&& ((char *)mul_pat->content)[1] == '/'))
+		if (!is_char_esc(((char **)gl->m_pat->content)[1],
+					((char **)gl->m_pat->content)[0], str))
+		{
+		if (*str == '[')
+			start = 1;
+		else if (*str == ']' && start == 1)
+			return ;
+		else if (*str == '*' || *str == '?')
+			return ;
+		}
+		++str;
+	}
+	ft_ld_pushfront(&gl->match, ((char **)gl->m_pat->content)[0]);
+}
+
+char			**glob(const char *pat, const char *esc, char **env)
+{
+	t_glob	tglob;
+	char	**path;
+
+	tglob = (t_glob){pat, esc, NULL, NULL};
+	expand_brace(&tglob, tglob.pat);
+	while (tglob.m_pat->next)
+	{
+		add_simple_pat(&tglob);
+		if (!(((char **)tglob.m_pat->content)[0][0] == '/'
+			|| (((char **)tglob.m_pat->content)[0][0] == '.'
+			&& ((char **)tglob.m_pat->content)[0][1] == '/'))
 			&& env && (path = ft_strsplit(ft_getenv(env, "PATH"), ':')))
 		{
-			path_research(mul_pat->content, path, &match);
+			path_research(&tglob, path);
 			ft_tabdel(&path);
 		}
-		if (((char *)mul_pat->content)[0] != '/')
-			dir_research(mul_pat->content, ".", &match);
+		if (((char **)tglob.m_pat->content)[0][0] != '/')
+			dir_research(&tglob, ".");
 		else
-			dir_research(mul_pat->content + 1, "/", &match);
-		mul_pat = mul_pat->next;
+			dir_research(&tglob, "/");
+		tglob.m_pat = tglob.m_pat->next;
 	}
-	ft_ld_clear(&mul_pat, &ft_strdel);
-	return (treat_glob(&match));
+	ft_ld_clear(&tglob.m_pat, &ft_strdel);
+	return (treat_glob(&tglob.match));
 }
diff --git a/42sh/src/glob/glob_print.c b/42sh/src/glob/glob_print.c
index 38a8bdc0..ce0cd349 100644
--- a/42sh/src/glob/glob_print.c
+++ b/42sh/src/glob/glob_print.c
@@ -6,7 +6,7 @@
 /*   By: wescande <wescande@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/05 16:09:40 by wescande          #+#    #+#             */
-/*   Updated: 2017/01/26 17:14:32 by wescande         ###   ########.fr       */
+/*   Updated: 2017/01/27 18:29:32 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -26,6 +26,20 @@ void	ft_tabprint_fd(char **mytab, int fd)
 	}
 }
 
+void print_esc(t_token *token)
+{
+	char *str = token->data;
+	while (*str)
+	{
+		if (is_char_esc(token->esc, token->data, str))
+			ft_dprintf(3, "\\%c", *str);
+		else
+			ft_dprintf(3, "%c", *str);
+		++str;
+	}
+	ft_dprintf(3, "\n");
+}
+
 void	glob_print(t_list *lst, t_data *data)
 {
 	t_token		*token;
@@ -40,7 +54,8 @@ void	glob_print(t_list *lst, t_data *data)
 		type = token->type;
 		while (type >> (i++ + 2))
 			;
-		glob_ret = glob(token->data, data->env);
+		glob_ret = glob(token->data, token->esc, data->env);
+		print_esc(token);
 		DG("%02i '%s'", i, token->data);
 		ft_tabprint_fd(glob_ret, 3);
 		lst = lst->next;
diff --git a/42sh/src/glob/is_char_esc.c b/42sh/src/glob/is_char_esc.c
new file mode 100644
index 00000000..ba85450c
--- /dev/null
+++ b/42sh/src/glob/is_char_esc.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   is_char_esc.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: wescande <wescande@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/01/27 18:19:55 by wescande          #+#    #+#             */
+/*   Updated: 2017/01/27 18:23:22 by wescande         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "glob.h"
+
+int		is_char_esc(const char *esc, const char *ini_str, const char *str_pos)
+{
+	int		pos;
+
+	pos = str_pos - ini_str;
+	if ((esc[pos / 8] >> pos % 8) & 1)
+		return (1);
+	return (0);
+}
diff --git a/42sh/src/lexer/ft_tokenize.c b/42sh/src/lexer/ft_tokenize.c
index 3955993f..de620b65 100644
--- a/42sh/src/lexer/ft_tokenize.c
+++ b/42sh/src/lexer/ft_tokenize.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/10 13:37:11 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/11 16:11:02 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:43:46 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/42sh/src/lexer/lexer_backslash.c b/42sh/src/lexer/lexer_backslash.c
index 9a6f2438..3a0aefff 100644
--- a/42sh/src/lexer/lexer_backslash.c
+++ b/42sh/src/lexer/lexer_backslash.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 11:56:49 by jhalford          #+#    #+#             */
-/*   Updated: 2016/12/03 12:35:13 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:52:46 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,6 +18,6 @@ int		lexer_backslash(t_list **alst, char *str)
 
 	token = (*alst)->content;
 	token->type = TK_WORD;
-	token_append(token, str[1]);
+	token_append(token, str[1], 1);
 	return (ft_tokenize(alst, str + 2, WORD));
 }
diff --git a/42sh/src/lexer/lexer_default.c b/42sh/src/lexer/lexer_default.c
index 04c87fca..08ccabcf 100644
--- a/42sh/src/lexer/lexer_default.c
+++ b/42sh/src/lexer/lexer_default.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/28 18:36:21 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/11 16:10:53 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:53:10 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -28,7 +28,7 @@ int		lexer_default(t_list **alst, char *str)
 	else
 		state = WORD;
 	token = (*alst)->content;
-	token_append(token, *str);
+	token_append(token, *str, 0);
 	token->type = TK_N_WORD;
 	return (ft_tokenize(alst, str + 1, state));
 }
diff --git a/42sh/src/lexer/lexer_dquote.c b/42sh/src/lexer/lexer_dquote.c
index d5c1b2e3..56a49ab2 100644
--- a/42sh/src/lexer/lexer_dquote.c
+++ b/42sh/src/lexer/lexer_dquote.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/28 18:36:58 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 15:15:24 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:53:31 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,9 +23,9 @@ int		lexer_dquote(t_list **alst, char *str)
 		return (ft_tokenize(alst, str + 1, DEFAULT));
 	if (*str == '\\')
 	{
-		token_append(token, *(str + 1));
+		token_append(token, *(str + 1), 1);
 		return (lexer_dquote(alst, str + 1));
 	}
-	token_append(token, *str);
+	token_append(token, *str, 1);
 	return (lexer_dquote(alst, str));
 }
diff --git a/42sh/src/lexer/lexer_great.c b/42sh/src/lexer/lexer_great.c
index d02a183b..82b9e4b4 100644
--- a/42sh/src/lexer/lexer_great.c
+++ b/42sh/src/lexer/lexer_great.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 12:06:35 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 14:48:49 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:54:53 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,17 +17,17 @@ int		lexer_great(t_list **alst, char *str)
 	t_token		*token;
 
 	token = (*alst)->content;
-	token_append(token, str[0]);
+	token_append(token, str[0], 0);
 	if (*(str + 1) == '&')
 	{
 		token->type = TK_GREATAND;
-		token_append(token, str[1]);
+		token_append(token, str[1], 0);
 		return (lexer_greatand(alst, str + 2));
 	}
 	else if (*(str + 1) == '>')
 	{
 		token->type = TK_DGREAT;
-		token_append(token, str[1]);
+		token_append(token, str[1], 0);
 		return (ft_tokenize(&(*alst)->next, str + 2, DEFAULT));
 	}
 	else
diff --git a/42sh/src/lexer/lexer_greatand.c b/42sh/src/lexer/lexer_greatand.c
index 7a32ef24..b803f0f1 100644
--- a/42sh/src/lexer/lexer_greatand.c
+++ b/42sh/src/lexer/lexer_greatand.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 11:56:58 by jhalford          #+#    #+#             */
-/*   Updated: 2016/12/03 11:57:09 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:55:04 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,12 +20,12 @@ int		lexer_greatand(t_list **alst, char *str)
 	token->type = TK_GREATAND;
 	if (ft_isdigit(*str))
 	{
-		token_append(token, *str);
+		token_append(token, *str, 0);
 		return (lexer_greatand(alst, str + 1));
 	}
 	else if (*str == '-')
 	{
-		token_append(token, *str);
+		token_append(token, *str, 0);
 		return (ft_tokenize(&(*alst)->next, str + 1, DEFAULT));
 	}
 	return (ft_tokenize(alst, str, DEFAULT));
diff --git a/42sh/src/lexer/lexer_less.c b/42sh/src/lexer/lexer_less.c
index bc3fa958..ea7c8398 100644
--- a/42sh/src/lexer/lexer_less.c
+++ b/42sh/src/lexer/lexer_less.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 12:06:53 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 14:27:51 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:55:16 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,17 +17,17 @@ int		lexer_less(t_list **alst, char *str)
 	t_token		*token;
 
 	token = (*alst)->content;
-	token_append(token, str[0]);
+	token_append(token, str[0], 0);
 	if (*(str + 1) == '&')
 	{
 		token->type = TK_LESSAND;
-		token_append(token, str[1]);
+		token_append(token, str[1], 0);
 		return (lexer_lessand(alst, str + 2));
 	}
 	else if (*(str + 1) == '<')
 	{
 		token->type = TK_DLESS;
-		token_append(token, str[1]);
+		token_append(token, str[1], 0);
 		return (ft_tokenize(&(*alst)->next, str + 2, DEFAULT));
 	}
 	else
diff --git a/42sh/src/lexer/lexer_lessand.c b/42sh/src/lexer/lexer_lessand.c
index 089c78bd..fc6eef56 100644
--- a/42sh/src/lexer/lexer_lessand.c
+++ b/42sh/src/lexer/lexer_lessand.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 11:58:51 by jhalford          #+#    #+#             */
-/*   Updated: 2016/12/03 11:58:52 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:55:27 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,12 +20,12 @@ int		lexer_lessand(t_list **alst, char *str)
 	token->type = TK_LESSAND;
 	if (ft_isdigit(*str))
 	{
-		token_append(token, *str);
+		token_append(token, *str, 0);
 		return (lexer_lessand(alst, str + 1));
 	}
 	else if (*str == '-')
 	{
-		token_append(token, *str);
+		token_append(token, *str, 0);
 		return (ft_tokenize(&(*alst)->next, str + 1, DEFAULT));
 	}
 	return (ft_tokenize(alst, str, DEFAULT));
diff --git a/42sh/src/lexer/lexer_number.c b/42sh/src/lexer/lexer_number.c
index b5cffe2d..6488442b 100644
--- a/42sh/src/lexer/lexer_number.c
+++ b/42sh/src/lexer/lexer_number.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 12:06:45 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 14:29:46 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:52:58 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,7 +27,7 @@ int		lexer_number(t_list **alst, char *str)
 		return (ft_tokenize(alst, str, LESS));
 	else if (ft_isdigit(*str))
 	{
-		token_append(token, *str);
+		token_append(token, *str, 0);
 		return (lexer_number(alst, str + 1));
 	}
 	return (ft_tokenize(alst, str, DEFAULT));
diff --git a/42sh/src/lexer/lexer_quote.c b/42sh/src/lexer/lexer_quote.c
index 401fd07f..4b99e6fe 100644
--- a/42sh/src/lexer/lexer_quote.c
+++ b/42sh/src/lexer/lexer_quote.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 12:07:08 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 15:13:06 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:52:21 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,6 +21,6 @@ int		lexer_quote(t_list **alst, char *str)
 	str++;
 	if (*str == '\'')
 		return (ft_tokenize(alst, str + 1, WORD));
-	token_append(token, *str);
+	token_append(token, *str, 1);
 	return (lexer_quote(alst, str));
 }
diff --git a/42sh/src/lexer/lexer_var.c b/42sh/src/lexer/lexer_var.c
index 61011338..ab6e0b79 100644
--- a/42sh/src/lexer/lexer_var.c
+++ b/42sh/src/lexer/lexer_var.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/10 14:54:57 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 16:36:15 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:55:54 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,7 +21,7 @@ int		lexer_var(t_list **alst, char *str)
 	token->type = TK_N_WORD;
 	str++;
 	if (!ft_strchr(token->data, '$'))
-		token_append(token, '$');
+		token_append(token, '$', 0);
 	if (!*str)
 	{
 		token_expand_var(token);
@@ -32,6 +32,6 @@ int		lexer_var(t_list **alst, char *str)
 		token_expand_var(token);
 		return (ft_tokenize(alst, str, state));
 	}
-	token_append(token, *str);
+	token_append(token, *str, 0);
 	return (lexer_var(alst, str));
 }
diff --git a/42sh/src/lexer/lexer_word.c b/42sh/src/lexer/lexer_word.c
index 53ed4746..f24a303f 100644
--- a/42sh/src/lexer/lexer_word.c
+++ b/42sh/src/lexer/lexer_word.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 12:07:11 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/11 15:38:03 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:56:02 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -25,6 +25,6 @@ int		lexer_word(t_list **alst, char *str)
 		return (ft_tokenize(&(*alst)->next, str, GREAT));
 	else if (*str == '<')
 		return (ft_tokenize(&(*alst)->next, str, LESS));
-	token_append(token, *str);
+	token_append(token, *str, 0);
 	return (ft_tokenize(alst, str + 1, WORD));
 }
diff --git a/42sh/src/lexer/token_append.c b/42sh/src/lexer/token_append.c
index c08e5c5a..649f0901 100644
--- a/42sh/src/lexer/token_append.c
+++ b/42sh/src/lexer/token_append.c
@@ -6,19 +6,26 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/11 17:18:42 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/11 17:47:15 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 20:08:12 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "lexer.h"
 
-int		token_append(t_token *token, char c)
+int		token_append(t_token *token, char c, short int esc)
 {
-	if ((int)ft_strlen(token->data) >= token->size)
+	int		len;
+
+	len = ft_strlen(token->data);
+	if (len >= token->size)
 	{
-		token->data = (char *)ft_realloc(token->data, token->size + 10);
-		token->size += 10;
+		token->size += 8;
+		token->data = (char *)ft_realloc(token->data, token->size + 1);
+		token->esc = (char *)ft_realloc(token->esc, token->size / 8);
+		token->esc[token->size / 8 - 1] = 0; 
 	}
 	ft_strcat(token->data, (char[2]){c, '\0'});
+	if (esc)
+		token->esc[len / 8] |= 1 << len % 8;
 	return (0);
 }
diff --git a/42sh/src/lexer/token_expand_var.c b/42sh/src/lexer/token_expand_var.c
index b729611c..9743d062 100644
--- a/42sh/src/lexer/token_expand_var.c
+++ b/42sh/src/lexer/token_expand_var.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/01/10 14:57:53 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/10 16:37:33 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:56:40 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -24,5 +24,5 @@ void	token_expand_var(t_token *token)
 	*dollar = 0;
 	if (val)
 		while (*val)
-			token_append(token, *val++);
+			token_append(token, *val++, 1);
 }
diff --git a/42sh/src/lexer/token_free.c b/42sh/src/lexer/token_free.c
index 50ef0d0f..fc42c83a 100644
--- a/42sh/src/lexer/token_free.c
+++ b/42sh/src/lexer/token_free.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 12:07:30 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/12 13:18:46 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:35:37 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,6 +19,9 @@ void	token_free(void *data, size_t size)
 	(void)size;
 	token = data;
 	if (!(token->type & TK_NON_FREEABLE))
+	{
 		ft_strdel(&token->data);
+		ft_strdel(&token->esc);
+	}
 	free(token);
 }
diff --git a/42sh/src/lexer/token_init.c b/42sh/src/lexer/token_init.c
index cf9fe1b7..8d113343 100644
--- a/42sh/src/lexer/token_init.c
+++ b/42sh/src/lexer/token_init.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/10 15:30:25 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/11 15:45:10 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 15:35:04 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,7 +18,8 @@ t_token		*token_init(void)
 
 	token = (t_token *)malloc(sizeof(t_token));
 	token->type = 0;
-	token->size = 10;
-	token->data = ft_strnew(token->size);
+	token->size = 8;
+	token->data = ft_strnew(token->size + 1);
+	token->esc = ft_strnew(token->size / 8);
 	return (token);
 }
diff --git a/42sh/src/lexer/token_print.c b/42sh/src/lexer/token_print.c
index 97876ddb..3edd1759 100644
--- a/42sh/src/lexer/token_print.c
+++ b/42sh/src/lexer/token_print.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/28 14:39:01 by jhalford          #+#    #+#             */
-/*   Updated: 2017/01/12 14:48:33 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/01/27 16:08:16 by wescande         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,6 +17,7 @@ void	token_print(t_list *lst)
 	t_token		*token;
 	int			i;
 	t_type		type;
+	int			index;
 
 	while (lst)
 	{
@@ -26,6 +27,10 @@ void	token_print(t_list *lst)
 		while (type >> (i++ + 2))
 			;
 		DG("%02i '%s'", i, token->data);
+		index = -1;
+		while (++index < token->size / 8)
+			ft_dprintf(3, "|%b vs %x vs %c| ", token->esc[index], token->esc[index], token->esc[index]);
+		ft_dprintf(3, "\n");
 		lst = lst->next;
 	}
 }