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Thread: File-roller: No compression below 10.2 kB

  1. #1
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    File-roller: No compression below 10.2 kB

    i compressed a folder on my 12.10 xubuntu install and it went from 12kb to 10kb
    i compressed the same folder on my 10.04 ubuntu install and it went from 12kb to 2.6kb
    i was using .tar.bz2
    on my 10.04 install i have file rollers compresion level at maimum

    how can i get my 12.10 install to do this?
    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
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  2. #2
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    Re: really crappy compression

    i made a bug report after the compression level was -66%
    https://bugs.launchpad.net/ubuntu/+s...r/+bug/1064117
    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
    Putting your Networked Printer's scanner software to shame PHP Scanner Server
    I frequently edit my post when I have the last post

  3. #3
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    Re: really crappy compression

    Nice find. I did a couple of quick tests and it looks as though file roller is not actually compressing the tar file, and it doesn't matter which compression method is chosen. Not sure why it has this effect on your files as the command works as expected for other files.

    Steps to reproduce:
    1) In Nautilus, right click on "backlightx" directory, Compress...
    2) Select .tar.bz2
    3) Resulting file size is 10.2KB

    4) Right click on directory, Compress...
    5) Select .tar
    6) Resulting file size is 10.2KB

    7) Right-click on .tar, Compress...
    8) Select .bz2
    9) Resulting file is 870KB
    1) Dell Studio 1749: i5 540 (2.5GHz), 8GB, ATi 5650, Intel 5300AGN XFCE@Manjaro-x64
    2) Lenovo X61: C2D T7200, 2GB, Intel HDA, iwlwifi, XFCE@Manjaro-x64
    3) Compaq Mini 311c: Atom N270 (OC@2.0GHz), 3GB, Nvidia ION, Broadcom G+BT XFCE@13.10x32

  4. #4
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    Re: really crappy compression

    Quote Originally Posted by jfernyhough View Post
    Nice find. I did a couple of quick tests and it looks as though file roller is not actually compressing the tar file, and it doesn't matter which compression method is chosen. Not sure why it has this effect on your files as the command works as expected for other files.
    here file-roller is 'compressing' but will never go below 10.2kB
    So - a folder with a number of small files
    43.6kB goes to 10.6kB
    34kB goes to 10.2kB
    15kB goes to 10.2kB
    1.5kB goes UP to 10.2kB

  5. #5
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    Re: really crappy compression

    The last file-roller in 12.10 to go below 10.2kB was 3.5.3-0ubuntu1 so this changed with the new 3.5.4 release

    If this were to be filed upstream it's likely a response one way or the other would gotten quickly
    (the file-roller maintainer/dev is usually quite prompt on bug reports

  6. #6
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    Re: really crappy compression

    3.5.3 you say well i have 3.6 on my 12.10 install
    Code:
    chad@Compaq-Presario-CQ60:~$ file-roller -v
    file-roller 3.6.0, Copyright © 2001-2012 Free Software Foundation, Inc.
    chad@Compaq-Presario-CQ60:~$ cat /etc/lsb-release 
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.10
    DISTRIB_CODENAME=quantal
    DISTRIB_DESCRIPTION="Ubuntu 12.10"
    chad@Compaq-Presario-CQ60:~$
    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
    Putting your Networked Printer's scanner software to shame PHP Scanner Server
    I frequently edit my post when I have the last post

  7. #7
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    Re: really crappy compression

    so i decided to switch to xarchiver and it works
    but this made me lol (see attachment)
    Attached Images Attached Images
    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
    Putting your Networked Printer's scanner software to shame PHP Scanner Server
    I frequently edit my post when I have the last post

  8. #8
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    Re: really crappy compression

    A bump for the move, to bring it to the top of the page

  9. #9
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    Re: really crappy compression

    Thanks for moving it, i really hate this bug
    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
    Putting your Networked Printer's scanner software to shame PHP Scanner Server
    I frequently edit my post when I have the last post

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