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This queue is for tickets about the Archive-Zip CPAN distribution.

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Id: 24036
Status: resolved
Priority: 0/
Queue: Archive-Zip

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Owner: Nobody in particular
Requestors: Simon.Castle [...] jeppesen.com
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Bug Information
Severity: (no value)
Broken in: (no value)
Fixed in: (no value)



Subject: WinXP Explorer Exposes Problems
Date: Thu, 21 Dec 2006 16:45:20 +0100
To: bug-Archive-Zip [...] rt.cpan.org
From: Simon.Castle [...] jeppesen.com
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Hi when I create a zip tree with an empty dir and "Explore" the .zip in XP it incorrectly shows the empty dir as a file, also dirs may be show as both a file and folder. Zips created via "Zip 2.3" do not have this problem. Info:- OS WinXP sp2 Perl cygwin perl5 (revision 5 version 8 subversion 7) and Perl ActiveState perl5 (revision 5 version 8 subversion 8) Both with Archive::Zip 1.18 Although the Zip looks wrong, when I extract it its fine, WinZip/WinRar do not show this. test script ###################### #!/usr/bin/perl #!/c/perl/bin/perl mkdir "dir_1"; `echo text > dir_1/file.txt`; mkdir "dir_1/empty_dir"; use Archive::Zip qw( :ERROR_CODES :CONSTANTS ); my $zip = Archive::Zip->new(); my $member = $zip->addTree( "dir_1", "dir_1" ); $zip->writeToFileNamed("perl.zip"); #################### Run the script, open up explorer, right click on perl.zip and select explore. dir_1 is shown as two entries, should only be a folder. click into dir_1 and the empty_dir is shown as a file. ############################## what I would expect to see zip zipcmd.zip -r dir_1 Hope you can reproduce the same results. Thanks for any help. ... Simon Castle
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Resolved in 1.26. Gave up trying to match the behaviour to the spec, and just generated a known-good archive in GNU zip on linux, and emulated it's method for making Windows play nicely when using UNIX-platform permissions. For compatibility, it sets the useless-on-unix 5th bit of the externalFileAttributes property to on, which is the same bit that WinZip uses on Windows (although it uses MSDOS-mode attributes and doesn't set anything else). This appears to fix the problem, at least in superficial testing.


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