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Re^4: help with unraring

by gautamparimoo (Beadle)
on Apr 24, 2012 at 13:11 UTC ( #966826=note: print w/ replies, xml ) Need Help??

in reply to Re^3: help with unraring
in thread help with unraring

I want to extract one file perform some operation and then extract the next which is not possible by 7zip as it would extract the full content of rar file in one go

Comment on Re^4: help with unraring
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Re^5: help with unraring
by ww (Bishop) on Apr 24, 2012 at 14:50 UTC
    Unless there is some dependancy you haven't disclosed -- say, for example, that the content of the file currently being processed determines which file to extract and process next -- your desire to extract them one at a time is not a war-stopper; it is merely one alternative approach:
    Pseudocode: un7zip ($archive); @todo = readdir (extracted files); for $todo(@todo) { process as you wish... }
Re^5: help with unraring
by Argel (Prior) on Apr 24, 2012 at 19:20 UTC
    Most decompression/compression programs support extracting/adding individual files from/to an archive. This should work, but I only tested it against a .7z file. But I am not aware of any reason why it would not work with .rar files.
    7z.exe e <archive_name.rar> <path_to_file_in_archive>
    Here's an example. Given a 7-zip file called test.7z, containing:
    test test/foo test/bar
    This should extract just 'bar' to your current working directory:
    7z.exe e test.7z test/bar

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