mcu/tools/init/echo.pl

#!/usr/bin/perl 
#
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#*****************************************************************************
#*****************************************************************************
##*
##* Filename:
##* ---------
##*   echo.pl
##*
##* Project:
##* --------
##*   Maui_Software
##*
##* Description:
##* ------------
##*   This script just print the input string
##
##* Author:
##* -------
##*   kk Lin-Wang  (mtk04222)
##*
##*============================================================================
use strict;
use warnings;

($#ARGV < 0) && &Usage;

my @argvs;
my $newline_on = 0;
my $time_on = 0;
foreach my $argv (@ARGV)
{
	if($argv =~ /^\-n\b/ ) 
	{
		$newline_on = 1;
	}
	elsif ($argv =~ /^\-t\b/) 
	{
		$time_on = 1;
	}
	else
	{
		push(@argvs, $argv);
	}
}

($#argvs < 0) && &Usage;

print("@argvs");
if($time_on == 1)
{
	print(time);
}
if($newline_on == 1)
{
	print("\n");
}

sub Usage
{
	warn <<"_END_OF_USAGE";
Usage:
	echo.pl [string]
Example:
	perl echo.pl hello world
	perl echo.pl "hello world"
Description:
	This script print the input string,
	-n output newline \\n
	-t output time info after input
_END_OF_USAGE
	exit 1;
}