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diff manual misses -P

From: Jan Engelhardt
Subject: diff manual misses -P
Date: Mon, 4 Oct 2004 07:51:15 +0200 (MEST)


the subject says it all... both manual and info pages of "diff" lack the -P

If somebody needs an explanation of -P:

-P is similar to -N, but only works in one direction, i.e. files that are
present in the 1st, but missing in the 2nd directory are listed as "Only in
1ST..." and files that are present in the 2nd, but not in the 1st are treated
like empty ones.
That way, a file that has been removed in the 2nd directory will not have lots
of "-" entries in the diff file like it would be the case with -N.

Jan Engelhardt
Gesellschaft für Wissenschaftliche Datenverarbeitung
Am Fassberg, 37077 Göttingen, www.gwdg.de

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