# Example of how to compute compressed sizes

# $Revision: 1.2 $

use strict;

use Archive::Zip qw(:ERROR_CODES);

use File::Spec;

my $zip             = Archive::Zip->new();

my $blackHoleDevice = File::Spec->devnull();

$zip->addFile($_) foreach (<*.pl>);

# Write and throw the data away.

# after members are written, the writeOffset will be set

# to the compressed size.

$zip->writeToFileNamed($blackHoleDevice);

my $totalSize           = 0;

my $totalCompressedSize = 0;

foreach my $member ($zip->members()) {

    $totalSize           += $member->uncompressedSize;

    $totalCompressedSize += $member->_writeOffset;

    print "Member ", $member->externalFileName,

      " size=",         $member->uncompressedSize,

      ", writeOffset=", $member->_writeOffset,

      ", compressed=",  $member->compressedSize,

      "\n";

}

print "Total Size=", $totalSize, ", total compressed=", $totalCompressedSize,

  "\n";

$zip->writeToFileNamed('test.zip');