format error: can't find EOCD signature
 Archive::Zip::Archive::_findEndOfCentralDirectory('Archive::Zip::Archive=HASH(0x8e87c00)','IO::File=GLOB(0x9196204)') called at /usr/lib/perl5/site_perl/5.8.3/Archive/Zip.pm line 955
 Archive::Zip::Archive::readFromFileHandle('Archive::Zip::Archive=HASH(0x8e87c00)','IO::File=GLOB(0x9196204)','tooled-up.gz') called at /usr/lib/perl5/site_perl/5.8.3/Archive/Zip.pm line 929
 Archive::Zip::Archive::read('Archive::Zip::Archive=HASH(0x8e87c00)','tooled-up.gz') called at zip.pl line 13
Error reading zip file. at zip.pl line 13.