文件操作 - calcSizes.pl
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文件: /usr/share/doc/perl-Archive-Zip/examples/calcSizes.pl
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# 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');
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