builtin_echo.c File Reference

Implements echo: prints arguments with optional -n flag. More...

#include "builtins.h"
#include "libft.h"

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Detailed Description

Implements echo: prints arguments with optional -n flag.

Definition in file builtin_echo.c.

Functions
static int	is_n_flag (char *arg)
	Check if a given argument is a valid -n flag. More...
int	builtin_echo (char **args)
	Implement the echo command. More...

Function Documentation

is_n_flag()

static int is_n_flag ( char *  arg )

static

Check if a given argument is a valid -n flag.

A valid n flag starts with - followed by 1 or more n characters

Parameters

arg	Argument string to check

Returns

1 if valid and 0 if not

Definition at line 24 of file builtin_echo.c.

Referenced by builtin_echo().

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builtin_echo()

int builtin_echo

(

char **

args

)

Implement the echo command.

This command prints arguments separated by spaces and supports:

• the -n flag and variants like -nnn
• multiple consecutive -n flags (consumed before print)

Parameters

args	NULL terminated arg array with arg[0] = "echo"

Returns

always 0

Definition at line 52 of file builtin_echo.c.

References is_n_flag().

Referenced by exec_builtin().

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