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[Bug-tar] What is -ignoreblocks doing?


From: Ken Williams
Subject: [Bug-tar] What is -ignoreblocks doing?
Date: Tue, 22 Jan 2008 14:58:09 -0600
User-agent: Microsoft-Entourage/11.3.3.061214

A co-worker sent me the following command as a Neat Trick for extracting
files from whichever tarball they happen to be in:

  cat *tar.gz | tar xz -ignoreblocks --files-from f

However, our man page says nothing of "-ignoreblocks".  We're guessing it's
equivalent to --ignore-zeros, because it seems to behave similarly.

How's this argument getting parsed?

-- 
Ken Williams
Research Scientist
The Thomson Corporation
Eagan, MN





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