diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6d5206b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,52 @@
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 9e3f833..dfa9850 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2018/04/07 12:47:06 by tmaze             #+#    #+#              #
-#    Updated: 2019/02/25 16:28:32 by tmaze            ###   ########.fr        #
+#    Updated: 2019/02/25 16:36:34 by tmaze            ###   ########.fr        #
 #                                                                              #
 #******************************************************************************#
 
@@ -19,7 +19,7 @@ NAME = libft.a
 SRCS =	ft_memset.c ft_bzero.c ft_memcpy.c ft_memccpy.c ft_memmove.c ft_memchr.c ft_memcmp.c ft_strlen.c ft_strdup.c ft_strcpy.c ft_strncpy.c ft_strcat.c ft_strncat.c ft_strlcat.c ft_strchr.c ft_strrchr.c ft_strstr.c ft_strnstr.c ft_strcmp.c ft_strncmp.c ft_atoi.c ft_isalpha.c ft_isdigit.c ft_isalnum.c ft_isascii.c ft_isprint.c ft_toupper.c ft_tolower.c \
 		ft_memalloc.c ft_memdel.c ft_strnew.c ft_strdel.c ft_strclr.c ft_striter.c ft_striteri.c ft_strmap.c ft_strmapi.c ft_strequ.c ft_strnequ.c ft_strsub.c ft_strjoin.c ft_strtrim.c ft_strsplit.c ft_itoa.c ft_putchar.c ft_putstr.c ft_putendl.c ft_putnbr.c ft_putchar_fd.c ft_putstr_fd.c ft_putendl_fd.c ft_putnbr_fd.c\
 		ft_lstnew.c ft_lstdelone.c ft_lstdel.c ft_lstadd.c ft_lstiter.c ft_lstmap.c \
-		ft_isupper.c ft_islower.c ft_str_is_alpha.c ft_str_is_lowercase.c ft_str_is_numeric.c ft_str_is_printable.c ft_str_is_uppercase.c ft_strcapitalize.c ft_strlcpy.c ft_strlowcase.c ft_strupcase.c ft_lstsize.c ft_lstgetat.c ft_lstgetlast.c ft_sort_params.c ft_print_words_tables.c ft_lstaddend.c ft_strndup.c ft_abs.c ft_strnchr.c ft_strrnchr.c get_next_line.c ft_del_words_tables.c ft_putstrn.c ft_nbrlen.c ft_putstrpad.c ft_putnbrpad.c ft_lstsort.c ft_lstaddsort.c ft_round.c ft_iswhitespace.c ft_issign.c ft_hasdigit.c ft_strsplitwhitespace.c
+ft_isupper.c ft_islower.c ft_str_is_alpha.c ft_str_is_lowercase.c ft_str_is_numeric.c ft_str_is_printable.c ft_str_is_uppercase.c ft_strcapitalize.c ft_strlcpy.c ft_strlowcase.c ft_strupcase.c ft_lstsize.c ft_lstgetat.c ft_lstgetlast.c ft_sort_params.c ft_print_words_tables.c ft_lstaddend.c ft_strndup.c ft_abs.c ft_strnchr.c ft_strrnchr.c get_next_line.c ft_del_words_tables.c ft_putstrn.c ft_nbrlen.c ft_putstrpad.c ft_putnbrpad.c ft_lstsort.c ft_lstaddsort.c ft_round.c ft_realpath.c ft_iswhitespace.c ft_issign.c ft_hasdigit.c ft_strsplitwhitespace.c
 
 OBJS = $(SRCS:.c=.o)
 INCLS = -I.
diff --git a/ft_lstaddend.c b/ft_lstaddend.c
index f840c58..abb02e5 100644
--- a/ft_lstaddend.c
+++ b/ft_lstaddend.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/04/17 20:55:26 by tmaze             #+#    #+#             */
-/*   Updated: 2018/04/19 14:32:44 by tmaze            ###   ########.fr       */
+/*   Updated: 2018/11/26 12:30:30 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,7 @@
 
 t_list	*ft_lstaddend(t_list **alst, t_list *new)
 {
-	t_list **tmp;
+	t_list *tmp;
 
 	if (new == NULL)
 		return (NULL);
@@ -22,10 +22,8 @@ t_list	*ft_lstaddend(t_list **alst, t_list *new)
 		ft_lstadd(alst, new);
 	else if (ft_lstsize(*alst) > 0)
 	{
-		if ((tmp = (t_list**)malloc(sizeof(t_list*))) == NULL)
-			return (NULL);
-		*tmp = ft_lstgetlast(*alst);
-		ft_lstadd(&(*tmp)->next, new);
+		tmp = ft_lstgetlast(*alst);
+		ft_lstadd(&(tmp->next), new);
 	}
 	return (*alst);
 }
diff --git a/ft_lstsize.c b/ft_lstsize.c
index b3bd301..937736b 100644
--- a/ft_lstsize.c
+++ b/ft_lstsize.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/04/09 13:55:29 by tmaze             #+#    #+#             */
-/*   Updated: 2018/04/09 16:46:33 by tmaze            ###   ########.fr       */
+/*   Updated: 2018/11/28 14:46:12 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ft_putendl.c b/ft_putendl.c
index c2858e6..c7d1cd6 100644
--- a/ft_putendl.c
+++ b/ft_putendl.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/04/07 22:37:44 by tmaze             #+#    #+#             */
-/*   Updated: 2018/04/10 14:24:26 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/01/13 17:44:21 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,8 +15,6 @@
 void	ft_putendl(char const *s)
 {
 	if (s != NULL)
-	{
 		ft_putstr(s);
-		ft_putchar('\n');
-	}
+	ft_putchar('\n');
 }
diff --git a/ft_realpath.c b/ft_realpath.c
new file mode 100644
index 0000000..8411ca3
--- /dev/null
+++ b/ft_realpath.c
@@ -0,0 +1,77 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_realpath.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/01/27 14:42:35 by tmaze             #+#    #+#             */
+/*   Updated: 2019/01/29 18:16:22 by tmaze            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_tabtopath(char **tab_path)
+{
+	size_t	total_size;
+	size_t	i;
+	char	*ret;
+
+	i = 0;
+	total_size = 0;
+	while (tab_path[i])
+		total_size += ft_strlen(tab_path[i++]);
+	total_size = (total_size == 0) ? 1 : total_size;
+	if ((ret = ft_strnew(total_size + i)) == NULL)
+		return (NULL);
+	i = 0;
+	ft_strcat(ret, "/");
+	while (tab_path[i])
+	{
+		if (i > 0)
+			ft_strcat(ret, "/");
+		ft_strcat(ret, tab_path[i++]);
+	}
+	return (ret);
+}
+
+void	ft_reducepath(char ***tab)
+{
+	size_t	i;
+	size_t	j;
+	int		strcmp;
+
+	i = 0;
+	while ((*tab)[i])
+	{
+		if ((strcmp = ft_strcmp((*tab)[i], "..")) == 0
+			|| ft_strcmp((*tab)[i], ".") == 0)
+		{
+			ft_strdel(&((*tab)[i]));
+			if ((j = i) == i && strcmp == 0 && i != 0)
+				ft_strdel(&((*tab)[i - 1]));
+			while ((*tab)[++j])
+				(*tab)[j - ((strcmp == 0 && i != 0) ? 2 : 1)] = (*tab)[j];
+			if (strcmp == 0 && i != 0)
+				(*tab)[j - 2] = NULL;
+			(*tab)[j - 1] = NULL;
+			if (strcmp == 0 && i != 0)
+				i--;
+		}
+		else
+			i++;
+	}
+}
+
+char	*ft_realpath(char *r_path, char **a_path)
+{
+	char	**tab_path;
+
+	if ((tab_path = ft_strsplit(r_path, '/')) == NULL)
+		return (NULL);
+	ft_reducepath(&tab_path);
+	*a_path = ft_tabtopath(tab_path);
+	ft_del_words_tables(&tab_path);
+	return (*a_path);
+}
diff --git a/ft_strncpy.c b/ft_strncpy.c
index b3d021c..41d050d 100644
--- a/ft_strncpy.c
+++ b/ft_strncpy.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/04/04 16:55:29 by tmaze             #+#    #+#             */
-/*   Updated: 2018/04/08 14:13:22 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/01/10 17:37:08 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/libft.h b/libft.h
index b59df66..7adac2d 100644
--- a/libft.h
+++ b/libft.h
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/04/08 00:12:36 by tmaze             #+#    #+#             */
-/*   Updated: 2019/02/25 16:28:20 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/02/25 16:37:03 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -174,6 +174,7 @@ void				ft_lstaddsort(t_list **lst, t_list *new,
 
 int					ft_round(float x, float ind);
 
+char				*ft_realpath(char *r_path, char **a_path);
 int					ft_issign(char c);
 int					ft_iswhitespace(char c);
 int					ft_hasdigit(char *s);