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Old 12-13-2004, 02:53 PM   #1
Registered: Sep 2003
Posts: 52

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using cpio

I have a file that I need to view what files are in it. I looked at the man pages for cpio, but I guess I just didn't "get it" because I keep getting errors.

If I have a file named "files.cpio.gz-i686" what can I do to open the archive and view the files (mount to a directory, list the files, whatever) and how do I extract the files and copy them to a directory?

I tried un-gzipping the file first, since it had gz in the name, but that didn't work.

Thanks in advance.
Old 12-13-2004, 02:55 PM   #2
Registered: Sep 2004
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gunzip files.cpio.gz-i686
cpio -idmv < files.cpio
Old 12-13-2004, 02:56 PM   #3
Registered: Dec 2004
Distribution: gentoo
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gunzip is "broken" in that it won't try to extract a file with an 'unknown' suffix. do this:

mv files.cpio.gz-i686 files.cpio-i686.gz && gunzip files.cpio-i686.gz
That should extract the files.

At least the gzipped part. Post the error messages you get and we can help you better.

Last edited by visaris; 12-13-2004 at 02:57 PM.
Old 12-13-2004, 04:05 PM   #4
Registered: Sep 2003
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I don't know why I didn't think of this.

I tried to gunzip the file without renaming it. The way most linux utils work, I almost can't believe you have to rename this file before you can gunzip.

anyway, gunzipping and then cpio worked.
Old 05-12-2006, 06:14 AM   #5
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for extracting cpio.gz files:

zcat /src/somefile.cpio.gz | cpio -idmv

would also do.


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