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Date: Wed, 22 Jan 2014 07:46:08 +0100
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: cygcheck and literal plus sign
References: <CAAXzdLUjc=cYva6EfZQjRArt5NQbPG3VTTGEch=kN1GEx2-fjA AT mail DOT gmail DOT com> <20140122055830 DOT GB4286 AT ednor DOT casa DOT cgf DOT cx>
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On 22/01/2014 06:58, Christopher Faylor wrote:
> On Tue, Jan 21, 2014 at 05:59:16PM -0600, Steven Penny wrote:
>> Searching for the popular compiler produces unexpected results
>>
>>     $ cygcheck -p 'g++.exe'
>>     Found 0 matches for g  .exe
>>
>>     $ cygcheck -p 'g\+\+.exe'
>>     Found 0 matches for g\ \ .exe
>>
>> How can I include a literal '+' (plus character) in my search?
>
> By remembering that this is a regex search.  How do you quote special characters
> in regexes?  Answer: With a '\'.
>

I am surely dumb, but whatever and how many '\' are used
the '+' is always returned as a ' ' in the reply.

So the specific example will be appreciated,
as a single quoting usually works in regexes

  $ cd /etc/setup
  $ zcat gcc-g++.lst.gz |grep -P "g\+\+"
usr/bin/g++.exe
usr/bin/i686-pc-cygwin-g++.exe
usr/share/man/man1/g++.1.gz

Is something "sanitizing" the query on server side to avoid
nasty surprise ?

  $ zcat gcc-g++.lst.gz |grep  -P "g++" |wc -l
723


Marco



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