GNU bug report logs - #22656
How to grep two patterns in a line with correct coloring?

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#22656: closed (How to grep two patterns in a line with
 correct coloring?)
Date: Mon, 11 Apr 2016 04:46:02 +0000

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Your message dated Sun, 10 Apr 2016 21:45:49 -0700
with message-id <570B2BFD.8010406 <at> cs.ucla.edu>
and subject line Re: How to grep two patterns in a line with correct coloring?
has caused the debbugs.gnu.org bug report #22656,
regarding How to grep two patterns in a line with correct coloring?
to be marked as done.

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From: Peng Yu <pengyu.ut <at> gmail.com>
To: bug-grep <at> gnu.org
Subject: How to grep two patterns in a line with correct coloring?
Date: Sat, 13 Feb 2016 18:10:01 -0600

Hi,

I know that I can use this to grep two patterns. But it can not
highlight both patterns.

grep word1 FILE | grep word2

Or I can use the following. But it is cumbersome as I have to type
word1 and word2 twice. And this method is not scale if I want grep
multiple patterns. The coloring can not be just for word1 and word2
only.

grep -E 'word1.*word2|word2.*word1' logs

Could anybody let me know what is the best way to grep two patterns in
a line with correct coloring? Thanks.

-- 
Regards,
Peng

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Peng Yu <pengyu.ut <at> gmail.com>
Cc: 22656-done <at> debbugs.gnu.org
Subject: Re: How to grep two patterns in a line with correct coloring?
Date: Sun, 10 Apr 2016 21:45:49 -0700

This works for me:

grep --color=always -E 'word1|word2'

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