diff --git a/inc/signals.h b/inc/signals.h
index f5da238a..98bdf0ac 100644
--- a/inc/signals.h
+++ b/inc/signals.h
@@ -20,7 +20,7 @@
 # include "shell.h"
 
 /*      signals     */
-void	signal_reset_prompt(int	signo);
+void	signal_reset_prompt(int signo);
 void	set_signals_interactive(void);
 void	signal_print_newline(int signal);
 void	sigquit_ignore(void);
diff --git a/inc/tokens.h b/inc/tokens.h
index bb43e300..ff28e838 100644
--- a/inc/tokens.h
+++ b/inc/tokens.h
@@ -62,6 +62,10 @@ typedef struct s_loop_data
 	t_ast	*tree;
 }	t_loop_data;
 
+void		final_quote_removal(int arg_count, t_ast *command_node);
+char		*expand_env_var(char *arg, t_ms_data *data);
+void		post_process_command_args(t_ast *command_node, int arg_count, \
+		t_ms_data *data);
 void		add_node(t_token **head, char *str);
 void		print_stack(t_token **stack);
 void		free_stack(t_token **stack);
diff --git a/src/builtins/cd.c b/src/builtins/cd.c
index 54bd3c40..79a3d872 100644
--- a/src/builtins/cd.c
+++ b/src/builtins/cd.c
@@ -29,7 +29,7 @@ int	builtin_cd(t_ms_data *data)
 	char	*home_dir;
 	char	cwd[4096];
 
-	printf("builtin_cd\n");
+	ft_printf("builtin_cd\n");
 	home_dir = get_env(data->envp, "HOME");
 	target_dir = (char *)data->args[1];
 	if (!target_dir)
diff --git a/src/builtins/export.c b/src/builtins/export.c
index 6ce0dd85..6904bf16 100644
--- a/src/builtins/export.c
+++ b/src/builtins/export.c
@@ -23,7 +23,6 @@
  */
 
 int			builtin_export(t_ms_data *data);
-// static bool	check_input(t_ms_data *data);
 static void	add_env(t_ms_data *data);
 
 int	builtin_export(t_ms_data *data)
@@ -47,7 +46,6 @@ int	builtin_export(t_ms_data *data)
 	}
 	else 
 		add_env(data);
-	// if (check_input(data))
 	return (0);
 }
 
diff --git a/src/execute/execute.c b/src/execute/execute.c
index dc0278ce..6af9b451 100644
--- a/src/execute/execute.c
+++ b/src/execute/execute.c
@@ -41,7 +41,7 @@ int	execute_ast(t_ast *node, t_ms_data *data)
 	if (node->type == PIPE)
 		return (builtin_pipe(node, data));
 	else if (node->type == ENV_VAR)
-		printf(BLU"ENV_VAR\n"RESET);
+		ft_printf(BLU"ENV_VAR\n"RESET);
 	else if (node->type == REDIR_IN)
 		return (redirect_in(node, data));
 	else if (node->type == REDIR_OUT)
diff --git a/src/main.c b/src/main.c
index 99e1aeff..fcdf167b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -31,6 +31,18 @@ void	main_loop(t_ms_data *data, t_loop_data *loop_data)
 {
 	int	status;
 
+	print_ast_root(loop_data->tree);
+	status = execute_ast(loop_data->tree, data);
+	if (status_handler(status, loop_data))
+	{
+		handle_io_fd(data);
+		loop_cleanup(loop_data->trimmed_input, loop_data->tokens, \
+				loop_data->prompt, loop_data->tree);
+	}
+}
+
+void	main_loop(t_ms_data *data, t_loop_data *loop_data)
+{
 	while (1)
 	{
 		loop_data->prompt = generate_prompt(data);
@@ -44,7 +56,8 @@ void	main_loop(t_ms_data *data, t_loop_data *loop_data)
 		}
 		make_history(loop_data->input);
 		loop_data->trimmed_input = trim_input(loop_data->input);
-		input_error_checks(loop_data->trimmed_input);
+		if (input_error_checks(loop_data->trimmed_input))
+			continue ;
 		loop_data->tokens = tokenise(loop_data->trimmed_input);
 		loop_data->tree = parse_tokens(&loop_data->tokens, data);
 		print_ast_root(loop_data->tree);
diff --git a/src/parser/heredoc.c b/src/parser/heredoc.c
deleted file mode 100644
index 6b44d197..00000000
--- a/src/parser/heredoc.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   heredoc.c                                          :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: rmikhayl <marvin@42.fr>                    +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2024/06/06 17:04:22 by rmikhayl          #+#    #+#             */
-/*   Updated: 2024/06/06 18:13:53 by rmikhayl         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "tokens.h"
-
-char	*check_heredoc(char *line)
-{
-	char	**parsed;
-
-	parsed = ft_split(line, ' ');
-	if (!ft_strcmp(parsed[0], "cat") && !ft_strcmp(parsed[1], "<<"))
-		return (heredoc("EOF"));
-	else
-		return (line);
-}
-
-char	*heredoc(char *eof)
-{
-	char	*line;
-	char	*comb;
-
-	comb = "";
-	while (1)
-	{
-		line = readline("heredoc>");
-		if (!ft_strcmp(line, eof))
-			return (comb);
-		comb = ft_strjoin(ft_strjoin(comb, line), "\n");
-		free(line);
-	}
-}
diff --git a/src/parser/parser.c b/src/parser/parser.c
index 82744720..d7015065 100644
--- a/src/parser/parser.c
+++ b/src/parser/parser.c
@@ -6,7 +6,7 @@
 /*   By: rocky <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/12 19:35:45 by rocky             #+#    #+#             */
-/*   Updated: 2024/07/11 18:44:23 by dmdemirk         ###   ########.fr       */
+/*   Updated: 2024/08/28 20:11:50 by rocky            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -113,4 +113,4 @@ t_ast	*manage_pipe(t_token **tokens, t_ms_data *data)
 		*tokens = next_token;
 	}
 	return (manage_redirs(&tmp, data));
-}
\ No newline at end of file
+}
diff --git a/src/parser/parser_helper_helpers.c b/src/parser/parser_helper_helpers.c
new file mode 100644
index 00000000..96683f42
--- /dev/null
+++ b/src/parser/parser_helper_helpers.c
@@ -0,0 +1,83 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parser_helper_helpers.c                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rocky <marvin@42.fr>                       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/08/28 20:36:33 by rocky             #+#    #+#             */
+/*   Updated: 2024/08/28 20:36:39 by rocky            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "tokens.h"
+
+void	final_quote_removal(int arg_count, t_ast *command_node)
+{
+	int		i;
+	size_t	len;
+	char	*arg;
+	char	*trimmed_arg;
+
+	i = 0;
+	while (i < arg_count)
+	{
+		arg = command_node->args[i];
+		len = ft_strlen(arg);
+		if ((arg[0] == '"' && arg[len - 1] == '"') || (arg[0] == '\'' \
+			&& arg[len - 1] == '\''))
+		{
+			trimmed_arg = ft_strndup(arg + 1, len - 2);
+			free(command_node->args[i]);
+			command_node->args[i] = trimmed_arg;
+		}
+		i++;
+	}
+}
+
+char	*expand_env_var(char *arg, t_ms_data *data)
+{
+	char	*env_value;
+
+	if (ft_strcmp(arg, "$?") == 0)
+		return (ft_itoa(data->exit_status));
+	else if (arg[0] == '$')
+	{
+		if (arg[ft_strlen(arg) - 1] == '"')
+			arg[ft_strlen(arg) - 1] = '\0';
+		env_value = get_env(data->envp, arg + 1);
+		if (env_value)
+			return (ft_strdup(env_value));
+	}
+	return (ft_strdup(arg));
+}
+
+void	post_process_command_args(t_ast *command_node, int arg_count, \
+			t_ms_data *data)
+{
+	int		i;
+	char	*arg;
+	char	*processed_arg;
+
+	i = 0;
+	while (i < arg_count)
+	{
+		arg = command_node->args[i];
+		processed_arg = NULL;
+		if (arg[0] == '$' || (arg[0] == '"' && arg[1] == '$'))
+		{
+			if (arg[0] == '"')
+				processed_arg = expand_env_var(arg + 1, data);
+			else
+				processed_arg = expand_env_var(arg, data);
+		}
+		else if (arg[0] == '\'')
+			processed_arg = ft_strdup(arg);
+		else
+			processed_arg = ft_strdup(arg);
+		free(command_node->args[i]);
+		command_node->args[i] = processed_arg;
+		i++;
+	}
+	final_quote_removal(arg_count, command_node);
+}
diff --git a/src/parser/parser_helpers.c b/src/parser/parser_helpers.c
index e5724083..831cd120 100644
--- a/src/parser/parser_helpers.c
+++ b/src/parser/parser_helpers.c
@@ -5,8 +5,8 @@
 /*                                                    +:+ +:+         +:+     */
 /*   By: rocky <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2024/06/14 10:45:48 by rocky             #+#    #+#             */
-/*   Updated: 2024/06/17 11:06:25 by rocky            ###   ########.fr       */
+/*   Created: 2024/08/28 20:13:42 by rocky             #+#    #+#             */
+/*   Updated: 2024/08/28 20:14:33 by rocky            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/src/parser/tokeniser.c b/src/parser/tokeniser.c
index 1dfef353..ab2625cf 100644
--- a/src/parser/tokeniser.c
+++ b/src/parser/tokeniser.c
@@ -97,7 +97,7 @@ void	print_tokens(t_token *tokens)
 	token = tokens;
 	while (token != NULL)
 	{
-		printf("input[%d] ->  %s \n", i, token->data);
+		ft_printf("input[%d] ->  %s \n", i, token->data);
 		token = token->next;
 		i++;
 	}
diff --git a/src/test/env/env_test.c b/src/test/env/env_test.c
index 4824c231..f48885e7 100644
--- a/src/test/env/env_test.c
+++ b/src/test/env/env_test.c
@@ -24,7 +24,7 @@ void	test_unset_env(t_ms_data *data);
 
 void	env_tests(t_ms_data *data, char **envp)
 {
-	printf("\nENV TESTS\n");
+	ft_printf("\nENV TESTS\n");
 	test_init_env(data, envp);
 	test_get_env(data, envp);
 	test_set_env(data, envp);
@@ -48,10 +48,10 @@ void	test_init_env(t_ms_data *data, char **envp)
 	while (test_envp[test_envp_count])
 		test_envp_count++;
 	assert(envp_count == test_envp_count);
-	printf("\033[0m");
-	printf("\033[0;32m");
-	printf("init_env    -> OK\n");
-	printf("\033[0m");
+	ft_printf("\033[0m");
+	ft_printf("\033[0;32m");
+	ft_printf("init_env    -> OK\n");
+	ft_printf("\033[0m");
 }
 
 void	test_get_env(t_ms_data *data, char **envp)
@@ -63,10 +63,10 @@ void	test_get_env(t_ms_data *data, char **envp)
 	value = get_env(data->envp, "LOGNAME");
 	assert(value != NULL);
 	assert(ft_strcmp(value, getenv("LOGNAME")) == 0);
-	printf("\033[0m");
-	printf("\033[0;32m");
-	printf("get_env     -> OK\n");
-	printf("\033[0m");
+	ft_printf("\033[0m");
+	ft_printf("\033[0;32m");
+	ft_printf("get_env     -> OK\n");
+	ft_printf("\033[0m");
 }
 
 void	test_set_env(t_ms_data *data, char **envp)
@@ -79,10 +79,10 @@ void	test_set_env(t_ms_data *data, char **envp)
 	value = get_env(data->envp, "TEST");
 	assert(value != NULL);
 	assert(ft_strcmp(value, "test") == 0);
-	printf("\033[0m");
-	printf("\033[0;32m");
-	printf("set_env     -> OK\n");
-	printf("\033[0m");
+	ft_printf("\033[0m");
+	ft_printf("\033[0;32m");
+	ft_printf("set_env     -> OK\n");
+	ft_printf("\033[0m");
 }
 
 void	test_unset_env(t_ms_data *data)
@@ -96,8 +96,8 @@ void	test_unset_env(t_ms_data *data)
 	unset_env(&data->envp, "TEST");
 	value = get_env(data->envp, "TEST");
 	assert(value == NULL);
-	printf("\033[0m");
-	printf("\033[0;32m");
-	printf("unset_env   -> OK\n");
-	printf("\033[0m");
+	ft_printf("\033[0m");
+	ft_printf("\033[0;32m");
+	ft_printf("unset_env   -> OK\n");
+	ft_printf("\033[0m");
 }
diff --git a/src/test/main.c b/src/test/main.c
index d6be44fc..3f74bb1c 100644
--- a/src/test/main.c
+++ b/src/test/main.c
@@ -21,7 +21,7 @@ int	main(int argc, char **argv, char **envp)
 
 	if (argc > 1)
 	{
-		printf("Usage: %s\n", argv[0]);
+		ft_printf("Usage: %s\n", argv[0]);
 		exit(EXIT_FAILURE);
 	}
 	pipe_tests(&data);
diff --git a/src/test/pipe/pipe_test.c b/src/test/pipe/pipe_test.c
index 48d00ad8..42a205b3 100644
--- a/src/test/pipe/pipe_test.c
+++ b/src/test/pipe/pipe_test.c
@@ -21,12 +21,12 @@ void	pipe_tests(t_ms_data *data);
 
 void	pipe_tests(t_ms_data *data)
 {
-	printf("\nPIPE TESTS\n");
+	ft_printf("\nPIPE TESTS\n");
 	builtin_pipe_test(data);
-	printf("\033[0m");
-	printf("\033[0;32m");
-	printf("pipe_test    -> OK\n");
-	printf("\033[0m");
+	ft_printf("\033[0m");
+	ft_printf("\033[0;32m");
+	ft_printf("pipe_test    -> OK\n");
+	ft_printf("\033[0m");
 }
 
 void	builtin_pipe_test(t_ms_data *data)
diff --git a/src/utils/initialise.c b/src/utils/initialise.c
index 4c651d19..22f82390 100644
--- a/src/utils/initialise.c
+++ b/src/utils/initialise.c
@@ -31,7 +31,7 @@ void	initialise(int argc, char **argv)
 {
 	if (argc > 1)
 	{
-		printf("Usage: %s\n", argv[0]);
+		ft_printf("Usage: %s\n", argv[0]);
 		exit(EXIT_FAILURE);
 	}
 	read_history(HISTORY_PATH);
diff --git a/src/utils/prompt.c b/src/utils/prompt.c
index e6472474..bb2d630b 100644
--- a/src/utils/prompt.c
+++ b/src/utils/prompt.c
@@ -6,46 +6,30 @@
 /*   By: rmikhayl <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/05 13:58:23 by rmikhayl          #+#    #+#             */
-/*   Updated: 2024/07/11 18:45:32 by dmdemirk         ###   ########.fr       */
+/*   Updated: 2024/08/28 20:10:27 by rocky            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "tokens.h"
 #include "env.h"
 
-/*
-todo: 
-extract and print only after LOGNAME
-
-!wrong example:
-🌴 dmdemirk@maxishell:~/home/dmdemirk/Documents/minishell>
-
-correct example:
-🌴 dmdemirk@maxishell:~/Documents/minishell>
- */
-
 char	*generate_prompt(t_ms_data *data);
 char	*generate_prompt_string(t_ms_data *data, char *pwd, \
 				char *home_dir);
 
-
 char	*generate_prompt(t_ms_data *data)
 {
 	char	*prompt;
 	size_t	prompt_len;
 
-	prompt_len = strlen("🌴\e[1m @maxishell:~> \e[m") + \
-			strlen(getenv("LOGNAME")) + \
-			ft_strlen(getenv("PWD")) + \
-			1;
+	prompt_len = ft_strlen("🌴\e[1m @maxishell$ \e[m") + \
+			ft_strlen(getenv("LOGNAME"));
 	prompt = (char *)malloc(prompt_len);
 	if (!prompt)
 		exit(EXIT_FAILURE);
 	ft_strcpy(prompt, "🌴\e[1m ");
 	ft_strcat(prompt, getenv("LOGNAME"));
-	ft_strcat(prompt, "@maxishell:~");
-	ft_strcat(prompt, getenv("PWD"));
-	ft_strcat(prompt, "> \e[m");
+	ft_strcat(prompt, "@maxishell$ \e[m");
 	(void)data;
 	return (prompt);
 }
@@ -86,7 +70,7 @@ void	print_maxishell(void)
 		"╚═╝╚══════╝╚══════╝╚══════╝\n");
 	ft_printf("\n");
 	ft_printf("			   \033[1;34m"
-		"Version 0.0.0\033[0m\n");
+		"Version 1.0.0\033[0m\n");
 	ft_printf("			  \033[1;36m"
 		"By Димас и Ромас\033[0m\n");
 	ft_printf("\n");
diff --git a/src/utils/visualiser.c b/src/utils/visualiser.c
index 3a908a21..d51cbda2 100644
--- a/src/utils/visualiser.c
+++ b/src/utils/visualiser.c
@@ -38,23 +38,23 @@ void	print_ast_node(t_ast *node, int depth, char *prefix, int is_left)
 
 	if (!node)
 		return ;
-	printf("%s", prefix);
+	ft_printf("%s", prefix);
 	if (depth == 0)
-		printf("Root-> ");
+		ft_printf("Root-> ");
 	else
 	{
 		if (is_left)
-			printf("L-> ");
+			ft_printf("L-> ");
 		else
-			printf("R-> ");
+			ft_printf("R-> ");
 	}
-	printf("Type: %s\n", get_token_type_name(node->type));
+	ft_printf("Type: %s\n", get_token_type_name(node->type));
 	if (node->args)
 	{
 		i = 0;
 		while (node->args[i])
 		{
-			printf("%s     Arg: %s\n", prefix, node->args[i]);
+			ft_printf("%s     Arg: %s\n", prefix, node->args[i]);
 			i++;
 		}
 	}