fix: pipe on built-ins

Makefile

@@ -3,8 +3,8 @@ LIBFT = libft.a
 SRCS = minishell.c lexer.c parser.c utils.c caller.c built-in.c env.c
 OBJS = ${SRCS:.c=.o}
 
-//READLINE_INC = ~/.brew/opt/readline/include
+#READLINE_INC = ~/.brew/opt/readline/include
-//LIB = -L ~/.brew/lib -lreadline -L ~/.brew/lib -lhistory -L. -lft
+#LIB = -L ~/.brew/lib -lreadline -L ~/.brew/lib -lhistory -L. -lft
 
 LIB = -lreadline -lhistory -L. -lft
 
@@ -23,7 +23,7 @@ all:	$(NAME)
 clean:
 		rm -rf ${OBJS}
 
-fclean:		clean
+fclean:	clean
 		${MAKE} -C ./libft fclean
 		rm -rf libft.a
 		rm -rf ${NAME}

minishell.c

@@ -29,14 +29,12 @@ int	caller(t_command *cmd)
 	pid = fork();
 	if (!pid)
 	{	
+		if (cmd->fd[0])
+			dup2(cmd->fd[0], STDIN_FILENO);
+		if (cmd->fd[1])
+			dup2(cmd->fd[1], STDOUT_FILENO);
 		if (command_call(cmd->argv) == -1)	
-		{
-			if (cmd->fd[0])
-				dup2(cmd->fd[0], STDIN_FILENO);
-			if (cmd->fd[1])
-				dup2(cmd->fd[1], STDOUT_FILENO);
 			exe(cmd->argv, cmd->envp);
-		}
 		exit(1);
 	}
 	if (cmd->fd[1])