#!/usr/bin/perl
#  
#  Copyright (c) 2002 Steve Slaven, All Rights Reserved.
#  
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License as
#  published by the Free Software Foundation; either version 2 of
#  the License, or (at your option) any later version.
#  
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#  GNU General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
#  MA 02111-1307 USA
#  

use Getopt::Std;

getopts( 'hs:', \%o );

die( qq{

imageopt v0.1
Author: Steve Slaven - http://hoopajoo.net

Usage: $0 [-h] [-s qual]

	-h	This help
	-s	Resample to X% quality

} ) if $o{ h };

die( qq{

Unusually low -s setting: $o{s}

} ) if $o{ s } < 50;

open( IN, "find . -iname '*.jpg' |" );

while( $f = <IN> )
{
	chomp( $f );

	print $f;

	system( "jpegtran -optimize '$f' > '$f.tmp'" );
	if( $o{ s } )
	{
		print "  Sampling";
		system( "djpeg '$f.tmp' | cjpeg -quality $o{s} > '$f'" );
	}else
	{
		rename "$f.tmp", "$f";
	}

	print "  Done\n";
}

close( IN );