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mkextunpack(8)            BSD System Manager's Manual           mkextunpack(8)


     mkextunpack -- extract or list the contents of a multikext (mkext) ar-


     mkextunpack [-v] [-a arch] [-d output_directory] mkext_file


     The mkextunpack program lists the contents of a multikext file,
     mkext_file, or unarchives the contents into output_directory (which must
     exist).  The -v option causes mkextunpack to print the name if each kext
     as it finds them.


     mkextunpack exits with a zero status upon success.  Upon failure, it
     prints an error message and exits with a nonzero status.

     With a nonsegreated format 1 mkext file, wherein each kext may contain a
     universal binary, mkextunpack simply unpacks the contents.  With an mkext
     file segregated by architecture (that is, with distinct internal archives
     of architecture-specific kexts), mkextunpack attempts by default to
     unpack or list kexts for the current machine's architecture.  To choose a
     particular architecture to extract or list, use the -a option.

     There is no simple way to unpack a segregated mkext file into a set of
     kexts with universal binaries, but you can unpack each of its component
     architectures to separate directories for examination.




     Many single-letter options are inconsistent in meaning with (or directly
     contradictory to) the same letter options in other kext tools.

     For version 1 mkext files, note that the file format doesn't record the
     original filenames of the kexts, so mkextunpack has to guess at what they
     are.  It does this by using the value of the CFBundleExecutable property
     of the kext's info dictionary (Project Builder sets this to the base name
     of the kext bundle by default, but the developer can change it).  If that
     property doesn't exist, the last component of the CFBundleIdentifier is
     used.  Duplicates have an incrementing index appended to the name.  Kexts
     that have no CFBundleExecutable or CFBundleIdentifier property are named
     ``NameUnknown-n.kext'', where n is a number.

Darwin                           March 6, 2009                          Darwin

Mac OS X 10.6 - Generated Thu Sep 17 20:26:04 CDT 2009
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