diff --git a/42sh/Makefile b/42sh/Makefile
index 61011aa3..14073819 100644
--- a/42sh/Makefile
+++ b/42sh/Makefile
@@ -25,10 +25,13 @@ D_FLAGS	=
 MKDIR	=	mkdir -p
 RM		=	/bin/rm -rf
 
-.PHONY: all clean fclean re tags test libft
+.PHONY: all clean fclean re tags test
 
 all: $(NAME)
 
+$(NAME): $(DF_OBJ) libft
+	$(CC) $(O_INC) $(O_SER) $(O_LIB) $(W_FLAGS) $(DF_OBJ) -o $@ $(D_FLAGS)
+
 $(D_OBJ)/%.o: $(D_SRC)/main/%.c includes/minishell.h
 	@$(MKDIR) $(D_OBJ)
 	@$(CC) $(O_INC) $(W_FLAGS) -c $< -o $@ $(D_FLAGS)
@@ -62,9 +65,6 @@ $(D_OBJ)/%.o: $(D_SRC)/exec/%.c includes/exec.h
 libft:
 	@$(MAKE) -C libft/ 2>/dev/null
 
-$(NAME): $(DF_OBJ) libft
-	$(CC) $(O_INC) $(O_SER) $(O_LIB) $(W_FLAGS) $(DF_OBJ) -o $@ $(D_FLAGS)
-
 clean:
 	$(RM) $(D_OBJ)
 
@@ -72,3 +72,4 @@ fclean: clean
 	$(RM) $(NAME)
 
 re: fclean all
+	@$(MAKE) re -C libft/ 2>/dev/null
diff --git a/42sh/includes/line_editing.h b/42sh/includes/line_editing.h
index 2e959251..463a7eed 100644
--- a/42sh/includes/line_editing.h
+++ b/42sh/includes/line_editing.h
@@ -50,6 +50,13 @@ struct	s_data
 	char	**env;
 	t_dlist	*history;
 	t_dlist	*input_mem;
+
+	char	*input;
+	int		input_pos;
+	t_quote state_now;
+	t_quote state_last;
+	char	quoted;
+	char	backslash;
 };
 
 extern t_stof	g_keys[];
@@ -58,9 +65,9 @@ int		ft_set_termios(t_data *data, int input_mode);
 int		ft_interactive_sh(t_data *data);
 int		ft_prompt(void);
 int		ft_input_is_escaped(t_dlist *input_chain);
-int		ft_history_add(t_data *data, t_dlist *input_chain);
+int		ft_history_add(t_data *data);
 
-typedef	int		key_press(t_data *data, t_dlist **input_chain, char *buf);
+typedef	int		key_press(t_data *data, char *buf);
 key_press	ft_clear_line;
 key_press	ft_line_up;
 key_press	ft_line_down;
@@ -74,8 +81,8 @@ key_press	ft_word_left;
 key_press	ft_word_right;
 key_press	ft_key_del;
 key_press	ft_key_enter;
-key_press	ft_key_basic;
 key_press	ft_key_ctrl_d;
 key_press	ft_key_ctrl_c;
+key_press	ft_key_default;
 
 #endif
diff --git a/42sh/includes/minishell.h b/42sh/includes/minishell.h
index e1d721fe..55c4ed72 100644
--- a/42sh/includes/minishell.h
+++ b/42sh/includes/minishell.h
@@ -26,6 +26,7 @@ extern t_stof	g_builtins[];
 extern pid_t	g_pid;
 
 void	sig_handler(int signo);
+int		data_init(t_data *data);
 
 int		ft_cmd_process(char **argv, char ***env_p);
 int		ft_cmd_exec(char *execpath, char **argv, char ***env_p);
diff --git a/42sh/includes/quote.h b/42sh/includes/quote.h
new file mode 100644
index 00000000..91d62be9
--- /dev/null
+++ b/42sh/includes/quote.h
@@ -0,0 +1,16 @@
+#ifndef LINE_EDITING_H
+# define LINE_EDITING_H
+
+typedef enum e_quote	t_quote;
+
+enum	e_quote
+{
+	NONE,
+	QUOTE,
+	DQUOTE,
+	BACKSLASH,
+};
+
+void	quote_update(t_data *data, char c);
+
+#endif
diff --git a/42sh/libft b/42sh/libft
index a3f7d30e..202926ba 160000
--- a/42sh/libft
+++ b/42sh/libft
@@ -1 +1 @@
-Subproject commit a3f7d30e3fc482af179207682b48ae052d422bdf
+Subproject commit 202926ba40a54535c54650272db67a60a9598e1d
diff --git a/42sh/src/lexer-parser/ft_tokenize.c b/42sh/src/lexer-parser/ft_tokenize.c
index 1c905ed5..acd22aae 100644
--- a/42sh/src/lexer-parser/ft_tokenize.c
+++ b/42sh/src/lexer-parser/ft_tokenize.c
@@ -18,11 +18,13 @@ int		ft_tokenize(t_list **alst, char *str)
 	char	*cmd;
 	int		pos;
 
+	pos = 0;
 	cmd = ft_strdup(str);
 	while ((token = token_getnext(&pos, cmd)))
 	{
 		*alst = ft_lstnew(token, sizeof(*token));
 		alst = &(*alst)->next;
+		free(token);
 	}
 	ft_strdel(&cmd);
 	return (0);
diff --git a/42sh/src/line-editing/ft_clear_line.c b/42sh/src/line-editing/ft_clear_line.c
index 46a2f275..24648a70 100644
--- a/42sh/src/line-editing/ft_clear_line.c
+++ b/42sh/src/line-editing/ft_clear_line.c
@@ -12,10 +12,10 @@
 
 #include "line_editing.h"
 
-int		ft_clear_line(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_clear_line(t_data *data, char *buf)
 {
-	ft_line_end(data, input_chain, buf);
-	while (ft_key_del(data, input_chain, buf))
+	ft_line_end(data, buf);
+	while (ft_key_del(data, buf))
 		;
 	return (1);
 }
diff --git a/42sh/src/line-editing/ft_cursor_left.c b/42sh/src/line-editing/ft_cursor_left.c
index b4a38c05..a6d7b6b1 100644
--- a/42sh/src/line-editing/ft_cursor_left.c
+++ b/42sh/src/line-editing/ft_cursor_left.c
@@ -12,19 +12,18 @@
 
 #include "line_editing.h"
 
-int		ft_cursor_left(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_cursor_left(t_data *data, char *buf)
 {
 	char	*res;
 
 	res = NULL;
 	(void)buf;
-	(void)data;
-	if (*(char*)(*input_chain)->content == '\n')
+	if (!data->input_pos)
 		return (0);
-	if (*(char*)(*input_chain)->content == '\0')
+	if (data->input[data->input_pos - 1] == '\n')
 		return (0);
-	*input_chain = (*input_chain)->prev;
-	if ((res = tgetstr("le", NULL)) == NULL)
+	data->input_pos--;
+	if (!(res = tgetstr("le", NULL)))
 		return (-1);
 	tputs(tgoto(res, 0, 0), 0, &ft_putchar);
 	return (1);
diff --git a/42sh/src/line-editing/ft_cursor_right.c b/42sh/src/line-editing/ft_cursor_right.c
index 0ab9995e..71785cab 100644
--- a/42sh/src/line-editing/ft_cursor_right.c
+++ b/42sh/src/line-editing/ft_cursor_right.c
@@ -12,18 +12,17 @@
 
 #include "line_editing.h"
 
-int		ft_cursor_right(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_cursor_right(t_data *data, char *buf)
 {
 	char	*res;
 
 	res = NULL;
 	(void)buf;
-	(void)data;
-	if (*(char*)(*input_chain)->content == '\n')
+	if (!data->input[data->input_pos])
 		return (0);
-	if (!(*input_chain)->next)
+	if (data->input[data->input_pos] == '\n')
 		return (0);
-	*input_chain = (*input_chain)->next;
+	data->input_pos++;
 	if ((res = tgetstr("nd", NULL)) == NULL)
 		return (-1);
 	tputs(tgoto(res, 0, 0), 0, &ft_putchar);
diff --git a/42sh/src/line-editing/ft_history_add.c b/42sh/src/line-editing/ft_history_add.c
index f9aae448..15f83f09 100644
--- a/42sh/src/line-editing/ft_history_add.c
+++ b/42sh/src/line-editing/ft_history_add.c
@@ -12,16 +12,15 @@
 
 #include "line_editing.h"
 
-int		ft_history_add(t_data *data, t_dlist *input_chain)
+int		ft_history_add(t_data *data)
 {
 	t_dlist	*new;
 	char	*str;
 
-	str = ft_dlsttostr(input_chain);
+	str = data->input;
 	if (data->history)
 		while (data->history->next)
 			data->history = data->history->next;
-	str = ft_strcut(str, "\\\n");
 	if (!data->history->prev || ft_strcmp(str, (char *)data->history->prev->content))
 	{
 		new = ft_dlstnew(str, sizeof(char) * (ft_strlen(str) + 1));
diff --git a/42sh/src/line-editing/ft_history_down.c b/42sh/src/line-editing/ft_history_down.c
index e70882fd..6f15dee6 100644
--- a/42sh/src/line-editing/ft_history_down.c
+++ b/42sh/src/line-editing/ft_history_down.c
@@ -12,7 +12,7 @@
 
 #include "line_editing.h"
 
-int		ft_history_down(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_history_down(t_data *data, char *buf)
 {
 	int		i;
 	char	*str;
@@ -24,11 +24,11 @@ int		ft_history_down(t_data *data, t_dlist **input_chain, char *buf)
 		return (0);
 	data->history = data->history->next;
 	str = data->history->content;
-	*input_chain = ft_dlstlast(*input_chain);
+	/* *input_chain = ft_dlstlast(*input_chain); */
 	/* ft_clear_input(input_chain); */
 	i = 0;
-	while (str[i])
-		ft_key_basic(data, input_chain, str + i++);
+	/* while (str[i]) */
+	/* 	ft_key_basic(data, input_chain, str + i++); */
 	if (!data->history->next)
 		ft_strdel(&str);
 	return (0);
diff --git a/42sh/src/line-editing/ft_history_up.c b/42sh/src/line-editing/ft_history_up.c
index 7dae6bc4..dccbfc93 100644
--- a/42sh/src/line-editing/ft_history_up.c
+++ b/42sh/src/line-editing/ft_history_up.c
@@ -12,7 +12,7 @@
 
 #include "line_editing.h"
 
-int		ft_history_up(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_history_up(t_data *data, char *buf)
 {
 	int		i;
 	char	*str;
@@ -22,15 +22,15 @@ int		ft_history_up(t_data *data, t_dlist **input_chain, char *buf)
 		return (0);
 	if (!data->history->prev)
 		return (0);
-	if (!data->history->next)
-		data->history->content = ft_dlsttostr(*input_chain);
+	/* if (!data->history->next) */
+	/* 	data->history->content = ft_dlsttostr(*input_chain); */
 	data->history = data->history->prev;
 	str = data->history->content;
 	/* *input_chain = ft_dlst_last(*input_chain); */
-	ft_clear_line(data, input_chain, buf);
+	/* ft_clear_line(data, input_chain, buf); */
 	i = 0;
-	while (str[i])
-		ft_key_basic(data, input_chain, str + i++);
+	/* while (str[i]) */
+	/* 	ft_key_basic(data, input_chain, str + i++); */
 	/* if (!data->history->next) */
 	/* 	ft_strdel(&str); */
 	return (0);
diff --git a/42sh/src/line-editing/ft_interactive_sh.c b/42sh/src/line-editing/ft_interactive_sh.c
index ee350707..ebb13386 100644
--- a/42sh/src/line-editing/ft_interactive_sh.c
+++ b/42sh/src/line-editing/ft_interactive_sh.c
@@ -39,27 +39,29 @@ t_stof g_keys[] = {
 	{FT_KEY_C_D,		&ft_key_ctrl_d},
 	{FT_KEY_C_C,		&ft_key_ctrl_c},
 	{FT_KEY_C_Z,		NULL},
-	{NULL,				&ft_key_basic},
+	{NULL,				&ft_key_default},
 };
 
 int		ft_interactive_sh(t_data *data)
 {
-	char	buf[20];
-	t_dlist	*input_chain;
+	char	buf[4];
 	char	null;
 	int		ret;
 	int		i;
 
 	null = '\0';
-	if (!data->history)
-		data->history = ft_dlstnew(NULL, 0);
-	input_chain = ft_dlstnew(&null, sizeof(char));
+
+	ft_strdel(&data->input);
+	data->input = ft_memalloc(10);
+	data->input_pos = 0;
+	data->quoting = 0;
+	data->backslach = 0;
 	ft_set_termios(data, 1);
 	ft_prompt();
 	while (1)
 	{
-		ft_bzero(buf, 20);
-		ret = read(0, buf, 20);
+		ft_bzero(buf, 4);
+		ret = read(0, buf, 4);
 		/* ft_printf("read=%i: %#x,%#x,%#x\n", ret, buf[0], buf[1], buf[2]); */
 		/* continue ; */
 		i = 0;
@@ -67,8 +69,7 @@ int		ft_interactive_sh(t_data *data)
 			i++;
 		if (!g_keys[i].f)
 			continue ;
-		ret = (*g_keys[i].f)(data, &input_chain, buf);
-		if (ret < 0)
+		if ((ret = (*g_keys[i].f)(data, buf)) < 0)
 			return (-1);
 		else if (ret == 2)
 		{
diff --git a/42sh/src/line-editing/ft_key_ctrl_c.c b/42sh/src/line-editing/ft_key_ctrl_c.c
index 2f97a4ab..bf34a8b8 100644
--- a/42sh/src/line-editing/ft_key_ctrl_c.c
+++ b/42sh/src/line-editing/ft_key_ctrl_c.c
@@ -12,15 +12,12 @@
 
 #include "line_editing.h"
 
-int		ft_key_ctrl_c(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_key_ctrl_c(t_data *data, char *buf)
 {
-	(void)data;
 	(void)buf;
-	char	null;
 
-	null = '\0';
-	ft_dlstdel(input_chain, ft_lst_cfree);
-	*input_chain = ft_dlstnew(&null, sizeof(char));
+	ft_strdel(&data->input);
+	data->input = ft_memalloc(10);
 	ft_putendl("");
 	ft_prompt();
 	return (0);
diff --git a/42sh/src/line-editing/ft_key_ctrl_d.c b/42sh/src/line-editing/ft_key_ctrl_d.c
index c30a5cd3..c4f09da6 100644
--- a/42sh/src/line-editing/ft_key_ctrl_d.c
+++ b/42sh/src/line-editing/ft_key_ctrl_d.c
@@ -12,10 +12,9 @@
 
 #include "line_editing.h"
 
-int		ft_key_ctrl_d(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_key_ctrl_d(t_data *data, char *buf)
 {
 	(void)data;
-	(void)input_chain;
 	(void)buf;
 	ft_putendl("exit");
 	exit(0);
diff --git a/42sh/src/line-editing/ft_key_basic.c b/42sh/src/line-editing/ft_key_default.c
similarity index 79%
rename from 42sh/src/line-editing/ft_key_basic.c
rename to 42sh/src/line-editing/ft_key_default.c
index 7031f673..f429878c 100644
--- a/42sh/src/line-editing/ft_key_basic.c
+++ b/42sh/src/line-editing/ft_key_default.c
@@ -12,20 +12,22 @@
 
 #include "line_editing.h"
 
-int	ft_key_basic(t_data *data, t_dlist **input_chain, char *buf)
+int	ft_key_default(t_data *data, char *buf)
 {
-	t_dlist	*new;
 	char	*res;
+	char	*tmp;
 
-	(void)data;
-	new = ft_dlstnew(&buf[0], sizeof(char));
-	ft_dlstadd_after(input_chain, new);
-	if ((res = tgetstr("IC", NULL)) != NULL)
+	tmp = data->input;
+	data->input = ft_strinsert(data->input, *buf, data->input_pos);
+	data->input_pos++;
+	ft_strdel(&tmp);
+	quote_update(data, *buf);
+	if ((res = tgetstr("IC", NULL)))
 	{
 		tputs(tgoto(res, 0, 0), 1, &ft_putchar);
 		ft_putchar(buf[0]);
 		return (0);
 	}
-	ft_putchar(buf[0]);
-	return (0);
+	else
+		return (-1);
 }
diff --git a/42sh/src/line-editing/ft_key_del.c b/42sh/src/line-editing/ft_key_del.c
index f24b42b8..8fd4d81a 100644
--- a/42sh/src/line-editing/ft_key_del.c
+++ b/42sh/src/line-editing/ft_key_del.c
@@ -12,17 +12,19 @@
 
 #include "line_editing.h"
 
-int		ft_key_del(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_key_del(t_data *data, char *buf)
 {
 	char	*res;
 
 	(void)data;
 	(void)buf;
-	if (!(*input_chain)->prev)
+
+	if (!data->input_pos)
 		return (0);
-	if (*(char*)(*input_chain)->content == '\n')
+	if (data->input[data->input_pos - 1] == '\n')
 		return (0);
-	ft_dlstdelone(input_chain, &ft_lst_cfree);
+	ft_strsqueeze(data->input, data->input_pos - 1);
+	data->input_pos--;
 	if ((res = tgetstr("le", NULL)) == NULL)
 	{
 		ft_printf("le error\n");
diff --git a/42sh/src/line-editing/ft_key_enter.c b/42sh/src/line-editing/ft_key_enter.c
index d9aae469..2510021f 100644
--- a/42sh/src/line-editing/ft_key_enter.c
+++ b/42sh/src/line-editing/ft_key_enter.c
@@ -12,16 +12,16 @@
 
 #include "line_editing.h"
 
-int		ft_key_enter(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_key_enter(t_data *data, char *buf)
 {
-	if (ft_input_is_escaped(*input_chain))
+	(void)buf;
+	if (data->quoting || data->backslash)
 	{
-		ft_key_basic(data, input_chain, buf);
+		ft_key_basic(data, buf);
 		ft_printf("> ");
 		return (0);
 	}
 	ft_putchar('\n');
-	ft_history_add(data, *input_chain);
-	ft_dlstdel(input_chain, ft_lst_cfree);
+	ft_history_add(data);
 	return (2);
 }
diff --git a/42sh/src/line-editing/ft_line_end.c b/42sh/src/line-editing/ft_line_end.c
index 180fc04a..df7d2395 100644
--- a/42sh/src/line-editing/ft_line_end.c
+++ b/42sh/src/line-editing/ft_line_end.c
@@ -12,9 +12,9 @@
 
 #include "line_editing.h"
 
-int		ft_line_end(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_line_end(t_data *data, char *buf)
 {
-	while (ft_cursor_right(data, input_chain, buf))
+	while (ft_cursor_right(data, buf))
 		;
 	return (0);
 }
diff --git a/42sh/src/line-editing/ft_line_start.c b/42sh/src/line-editing/ft_line_start.c
index e30d9f7d..354b4e74 100644
--- a/42sh/src/line-editing/ft_line_start.c
+++ b/42sh/src/line-editing/ft_line_start.c
@@ -12,9 +12,9 @@
 
 #include "line_editing.h"
 
-int		ft_line_start(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_line_start(t_data *data, char *buf)
 {
-	while (ft_cursor_left(data, input_chain, buf))
+	while (ft_cursor_left(data, buf))
 		;
 	return (0);
 }
diff --git a/42sh/src/line-editing/ft_word_left.c b/42sh/src/line-editing/ft_word_left.c
index 0626d931..e5efc817 100644
--- a/42sh/src/line-editing/ft_word_left.c
+++ b/42sh/src/line-editing/ft_word_left.c
@@ -12,17 +12,17 @@
 
 #include "line_editing.h"
 
-int		ft_word_left(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_word_left(t_data *data, char *buf)
 {
-	ft_cursor_left(data, input_chain, buf);
-	while (FT_WS(*(char *)(*input_chain)->content))
+	ft_cursor_left(data, buf);
+	while (FT_WS(data->input[data->input_pos - 1]))
 	{
-		if (!ft_cursor_left(data, input_chain, buf))
+		if (!ft_cursor_left(data, buf))
 			return (0) ;
 	}
-	while (!FT_WS(*(char *)(*input_chain)->content))
+	while (!FT_WS(data->input[data->input_pos - 1]))
 	{
-		if (!ft_cursor_left(data, input_chain, buf))
+		if (!ft_cursor_left(data, buf))
 			return (0);
 	}
 	return (0);
diff --git a/42sh/src/line-editing/ft_word_right.c b/42sh/src/line-editing/ft_word_right.c
index 1c6e2a4f..6d1a6012 100644
--- a/42sh/src/line-editing/ft_word_right.c
+++ b/42sh/src/line-editing/ft_word_right.c
@@ -12,19 +12,17 @@
 
 #include "line_editing.h"
 
-int		ft_word_right(t_data *data, t_dlist **input_chain, char *buf)
+int		ft_word_right(t_data *data, char *buf)
 {
-	ft_cursor_right(data, input_chain, buf);
-	while (!FT_WS(*(char *)(*input_chain)->content))
+	while (!FT_WS(data->input[data->input_pos]))
 	{
-		if (!ft_cursor_right(data, input_chain, buf))
+		if (!ft_cursor_right(data, buf))
 			return (0);
 	}
-	while (FT_WS(*(char *)(*input_chain)->content))
+	while (FT_WS(data->input[data->input_pos]))
 	{
-		if (!ft_cursor_right(data, input_chain, buf))
+		if (!ft_cursor_right(data, buf))
 			return (0) ;
 	}
-	ft_cursor_left(data, input_chain, buf);
 	return (0);
 }
diff --git a/42sh/src/main/data_init.c b/42sh/src/main/data_init.c
new file mode 100644
index 00000000..1f52a346
--- /dev/null
+++ b/42sh/src/main/data_init.c
@@ -0,0 +1,12 @@
+#include "minishell.h"
+
+extern char	**environ;
+
+int		data_init(t_data *data)
+{
+	data->env = ft_sstrdup(environ);
+	data->history = NULL;
+	if (!(data->history = ft_dlstnew(NULL, 0)))
+		return (-1);
+	return (0);
+}
diff --git a/42sh/src/main/main.c b/42sh/src/main/main.c
index bf79520a..20c6bcea 100644
--- a/42sh/src/main/main.c
+++ b/42sh/src/main/main.c
@@ -12,8 +12,6 @@
 
 #include "minishell.h"
 
-extern char	**environ;
-
 int		main(void)
 {
 	t_data	data;
@@ -21,23 +19,25 @@ int		main(void)
 	t_btree	*ast;
 
 	ast = NULL;
-	data.env = ft_sstrdup(environ);
+	if (data_init(&data))
+		return (1);
 	if (signal(SIGINT, sig_handler) == SIG_ERR)
 		ft_printf("\ncan't catch SIGINT\n");
 	while (1)
 	{
 		if (ft_interactive_sh(&data))
 			return (1);
-		ft_printf("got command:'%s'\n", data.history->prev->content);
-		if (ft_tokenize(&token, data.history->prev->content))
-			return (1);
-		token_print(token);
+		ft_printf("got command:'%s'\n", data.input);
+		/* if (ft_tokenize(&token, data.history->prev->content)) */
+		/* 	return (1); */
+		/* token_print(token); */
 		/* (void)ast; */
-		if (ft_parse(&ast, token))
-			return (1);
-		btree_print(ast, &tree_type);
-		ft_printf("root: %i\n", ((t_astnode*)ast->item)->type);
-		ft_lstdel(&token, &token_free);
+		/* if (ft_parse(&ast, token)) */
+		/* 	return (1); */
+		/* btree_print(ast, &tree_type); */
+		/* ft_printf("root: %i\n", ((t_astnode*)ast->item)->type); */
+		/* ft_lstdel(&token, &token_free); */
+		token = NULL;
 		/* if (ft_exec(ast)) */
 		/* 	return (1); */
 
diff --git a/42sh/src/quote/quote_update.c b/42sh/src/quote/quote_update.c
new file mode 100644
index 00000000..8b7b65f5
--- /dev/null
+++ b/42sh/src/quote/quote_update.c
@@ -0,0 +1,24 @@
+#include "libft.h"
+
+void	quote_state_update(t_data *data, char c)
+{
+	t_quote		now;
+	t_quote		last;
+
+	now = data->state_now;
+	last = data->state_last;
+	if (c == '\\' && now != DQUOTE)
+	{
+		if (now == BACKSLASH)
+			now = last;	
+		else
+			now = BACKSLASH;
+	}
+	if (quote != BACKSLASH)
+	{
+		if (c == '\'')
+			quoted = now == QUOTE ? 0 : '\'';
+		if (c == '\"' )
+			data->quoted = now == DQUOTE ? 0 : '\"';
+	}
+}