Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!husc6!ogccse!littlei!omepd!merlyn
From: merlyn@intelob.intel.com (Randal L. Schwartz @ Stonehenge)
Newsgroups: comp.unix.questions
Subject: y/a-z/A-Z/ (was Re: sed: how to capitalize replacement text?)
Keywords: sed
Message-ID: <4268@omepd.UUCP>
Date: 4 Apr 89 15:15:17 GMT
References: <426b0af2.142c4@retina.engin.umich.edu>
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Reply-To: merlyn@intelob.intel.com (Randal L. Schwartz @ Stonehenge)
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In-reply-to: brian@caen.engin.umich.edu (Brian Holtz)

In article <426b0af2.142c4@retina.engin.umich.edu>, brian@caen (Brian Holtz) writes:
| 
| Is there a way to uppercase the pattern text in the replacement text
| with sed's substitute command?  In ex/vi, you just say
| 	s/regexp/\U&/
| but not, apparently, in sed/ed.

You can capitalize *all* of the sed pattern space with

	y/a-z/A-Z/

which is not in the sed paper (if I remember right) but is tucked away
on the sed manpage.  To capitalize just a regexp takes a bit of work
with sed.  Use perl instead :-), as in:

	s/(regexp)/($y = $1) =~ y|a-z|A-Z|, $y/eg;

(Thanks, Larry Wall...)
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