GNU bug report logs - #22239
fgrep -i slow in 2.21

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Package: grep;

Reported by: Ondřej Cífka <ondra <at> cifka.com>

Date: Fri, 25 Dec 2015 22:46:02 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ondřej Cífka <ondra <at> cifka.com>
To: bug-grep <at> gnu.org
Subject: fgrep -i slow in 2.21
Date: Fri, 25 Dec 2015 23:44:42 +0100

When running "grep -Fi -f list.txt" where list.txt has thousands of
lines, it takes orders of magnitude longer to process the input file
than without the -i. This was not the case in grep 2.16, where fgrep
-i was about as fast as fgrep.

--
Ondřej Cífka
This bug report was last modified 8 years and 185 days ago.

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