Cpio
From Just Solve the File Format Problem
(Difference between revisions)
| Line 1: | Line 1: | ||
{{FormatInfo | {{FormatInfo | ||
| + | |name=cpio | ||
|formattype=electronic | |formattype=electronic | ||
|subcat=Archiving | |subcat=Archiving | ||
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To list files: | To list files: | ||
$ cpio -it -I examples.cpio | $ cpio -it -I examples.cpio | ||
| + | |||
| + | == Identification == | ||
| + | A cpio archive begins with one of the following signatures: | ||
| + | * <code>0x71 0xC7</code> | ||
| + | * <code>0xC7 0x71</code> | ||
| + | * <code>'0' '7' '0' '7'</code> | ||
| + | |||
| + | Be aware that there are [[afio]] extensions to cpio format that are not supported by most cpio utilities. For one thing, if most of the filenames end in ".z", it's probably a compressed afio archive. | ||
== Specifications == | == Specifications == | ||
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* [http://www.libarchive.org/ libarchive / bsdcpio] | * [http://www.libarchive.org/ libarchive / bsdcpio] | ||
* [http://gnuwin32.sourceforge.net/packages/cpio.htm cpio for Windows] | * [http://gnuwin32.sourceforge.net/packages/cpio.htm cpio for Windows] | ||
| − | * [ | + | * [[7-Zip]] |
| + | * [[afio]] | ||
== Sample files == | == Sample files == | ||
Revision as of 22:53, 29 January 2014
cpio is a non-compressed file archive format for Unix-style systems. It was originally intended for tape archiving, similar to the Tape Archive (tar) format.
Contents |
Examples
To extract files, using the command line utility:
$ cpio -idmv -I example.cpio
To list files:
$ cpio -it -I examples.cpio
Identification
A cpio archive begins with one of the following signatures:
-
0x71 0xC7 -
0xC7 0x71 -
'0' '7' '0' '7'
Be aware that there are afio extensions to cpio format that are not supported by most cpio utilities. For one thing, if most of the filenames end in ".z", it's probably a compressed afio archive.
