The zip command line utility discards metadata such as extended attributes, file flags, and resource forks, which also means that metadata such as tags is lost, and that aliases stop working, because the information in an alias file is stored in a resource fork. _ that are used to store OS X-specific metadata. The _MACOSX directory contains AppleDouble files whose filename starts with.
Best mac archiver archive#
The top level file of a zip archive with multiple files should usually be a single directory, because if it is not, some unarchiving utilites (like unzip and 7z, but not Archive Utility, The Unarchiver, unar, or dtrx) do not create a containing directory for the files when the archive is extracted, which often makes the files difficult to find, and if multiple archives like that are extracted at the same time, it can be difficult to tell which files belong to which archive.Īrchive Utility only creates a _MACOSX directory when you create an archive where at least one file contains metadata such as extended attributes, file flags, or a resource fork. DS_Store files inside directories but -x \*.DS_Store does. $ unzip -l a\ 2.zip # I created `a 2.zip` from Finder before this
In the output below, a.zip which I created with the zip command line utility does not contain a _MACOSX directory, but a 2.zip which I created from Finder does. The zip command line utility never creates a _MACOSX directory, so you can just run a command like this: zip directory.zip -x \*.DS_Store -r directory
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