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unzipping large file

  • 06-09-2010 10:26am
    #1
    aidanki
    Registered Users Posts: 1,281 ✭✭✭


    morning all,

    have a problem unzipping large file, the file in question is 4.4GB and it appears to unzip to 50% and then grow and grow and grow with no increase in percentage performed

    have let it run to 10GB over the course of 2hrs before cancelling

    the file consists of a lot of .xml files which seem to just unzip and unzip unzip

    it appears to be unzipping as when using WINRAR I can see the file count increasing and increasing number is in the region of 2000000 unzipped after 2.5hrs

    I am using WINRAR to unzip the file

    I am unzipping from C\downloads to desktop

    my machine is an Advent laptop Intel CORE Duo 2.2GHZ 2GB RAM 250GB hard drive

    anyone got any ideas?

    regards,
    aidan


Comments

  • #2
    bhickey
    Registered Users, Registered Users 2 Posts: 1,340 ✭✭✭bhickey


    Dump Winrar and try 7zip instead. It's probably the best at very large files.


  • #3
    chin_grin
    Closed Accounts Posts: 10,808 ✭✭✭✭chin_grin


    aidanki wrote: »
    the file consists of a lot of .xml files which seem to just unzip and unzip unzip


    ;):p


    Did you try a repair on the file? Or try another extractor? (eg 7zip, it'll extract .rar files)


  • #4
    aidanki
    Registered Users Posts: 1,281 ✭✭✭aidanki


    chin_grin wrote: »
    ;):p


    Did you try a repair on the file? Or try another extractor? (eg 7zip, it'll extract .rar files)


    how do I do a repair on the file?

    to answer your question havn't tried a repair!


  • #5
    noxqs
    Registered Users, Registered Users 2 Posts: 413 ✭✭noxqs


    Can I assume that its approximately 2,000,000 files of average size 2.3kB?

    That would take quite some time to unpack. Each file will have to go through a series of steps and APIs with latency between each step. Lets say it can unpack 1 file per 10 milliseconds (or 100 per second) it would take 5.55 Hours.

    Did you try to just let it finish over night ? Text normally compresses quite alot, especially if it is code which has a certain structure, making the compression ratio even higher.


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