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From: | Alois Steindl |
Subject: | [Bug-tar] Error code for empty input files |
Date: | Thu, 29 Jan 2009 10:22:08 +0100 |
User-agent: | Thunderbird 2.0.0.19 (X11/20090105) |
Hello,I backup the home-directories of a few machines to a Dat tape. Between every tar file there is some empty space. Up to now, when I read the tape with successive calls to tar, I therefore obtained an empty output from every second call. Since tar returns an error code -2 for empty input files, my script file, which reads all archives on the tape, fails at the first empty space.
Now I have to distinguish different situations: a) tar fails at these empty spaces, b) there is really a problem with the tape (input/output error).It would be fine, if there were some possibility to simply distinguish these cases. At the moment I am thinking about grepping the stderr output for the harmless situation.
Best wishes Alois
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