mcu/tools/init/chmod.pl

#!/usr/bin/perl 
#
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#*****************************************************************************
#*****************************************************************************
##*
##* Filename:
##* ---------
##*   chmod.pl
##*
##* Project:
##* --------
##*   MOLY
##*
##* Description:
##* ------------
##*   This script change the permission of the files
##*
##* Author:
##* -------
##*   kk Lin-Wang  (mtk04222)
##*
##*============================================================================

use strict;
use warnings;

($#ARGV < 1) && &Usage;

# the mode
my $mode = shift(@ARGV);

# source files
my @src = @ARGV;

if ($mode =~ /^[0]+[0-7]{3}\b/)
{
	@src = glob("@src");
	change_mode($mode,@src);
}
else
{
  &Usage;
}

#******************************************************************************
## FUNCTION
##  change_mode 
## DESCRIPTION
##  change files permission
## PARAMETER
##  $mode	[IN]	a number which format is 0XXX 
##  $src	[IN]	an array of source files
##
## EXAMPLE
##  &change_mode(0644, @src);
###******************************************************************************
sub change_mode
{
	my ($cmode, @src) = @_ ;
	foreach my $src_file (@src)
	{
		chmod(oct($cmode) ,$src_file) or die "[chmod.pl][Error:] chmod failed: $src_file $!";
	}
}


#******************************************************************************
## FUNCTION
##  Usage
## DESCRIPTION
##   Display the manipulation of this script
##******************************************************************************

sub Usage
{
	warn <<"_END_OF_USAGE";
Usage:
	chmod.pl [permission][source[file1, file2,...]]
Example:
	perl chmod.pl 0644 foo.c foo.h
	perl chmod.pl 0700 foo_folder/*.h
	
_END_OF_USAGE
	exit 1;
}