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Re: [Bug-tar] Tar doesn't stop tape after extracting all specified files
From: |
Paul Eggert |
Subject: |
Re: [Bug-tar] Tar doesn't stop tape after extracting all specified files |
Date: |
02 Oct 2003 10:40:11 -0700 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
Sergey Poznyakoff <address@hidden> writes:
> I have named it --first-copy. Is this name OK?
Thinking about it a bit more, the name "copy" is a bit misleading,
since the two occurrences of the file may not be copies. Perhaps
"occurrence" instead of "copy"?
Also, it would be useful to give the user a way to extract an
arbitrary set of files from an archive. This could be done by having
an --occurrence=N option, to let you select the Nth occurrence of a
file from the archive.
The option should be cumulative, e.g.:
tar --occurrence=3 foo --occurrence=2 bar
would select the 3rd occurrence of foo and the 2nd occurrence of bar.
--occurrence=1 would replace --first-copy.
For directories, I guess any clump of contiguous files whose names are
prefixed by the directory name would count as the Nth occurrence of
that directory's contents, and would be extracted unless
--no-recursion is specified.