GNU bug report logs - #20571
sed 4.2.2

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jim Meyering <jim <at> meyering.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#20571: closed (sed 4.2.2)
Date: Thu, 14 May 2015 15:07:02 +0000

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Your message dated Thu, 14 May 2015 08:05:54 -0700
with message-id <CA+8g5KHQtH+=aCO2W5oU_-ALLaYaKnQ1sMvGW8ujfn+Z_Swq2A <at> mail.gmail.com>
and subject line Re: bug#20571: sed 4.2.2
has caused the debbugs.gnu.org bug report #20571,
regarding sed 4.2.2
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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20571: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20571
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From: Massimo Masotti <max.mas <at> libero.it>
To: bug-sed <at> gnu.org
Subject: sed 4.2.2
Date: Thu, 14 May 2015 10:19:43 +0200 (CEST)

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Good morning,

the file contains "8.25F, \n". I notice a strange behavior with this line:

sed -i -r 's/([0-9])F([,; \]\}\)])/\1\2/g'  file

while I'm expecting to get "8.25, \n", the content is not changed. To get the expected substitution, I must use:

sed -i -r 's/([0-9])F([,; \}\)])/\1\2/g'  file

as if it is not legal to use the escaped character  ']'.

Thanks for your time; I apologize if I'm wrong.

Best Regards


Massimo Masotti - Italy

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From: Jim Meyering <jim <at> meyering.net>
To: Davide Brini <dave_br <at> gmx.com>
Cc: 20571-done <at> debbugs.gnu.org
Subject: Re: bug#20571: sed 4.2.2
Date: Thu, 14 May 2015 08:05:54 -0700

tags 20571 notabug
thanks

On Thu, May 14, 2015 at 3:28 AM, Davide Brini <dave_br <at> gmx.com> wrote:
> On Thu, 14 May 2015 10:19:43 +0200 (CEST), Massimo Masotti
> <max.mas <at> libero.it> wrote:
>
>> Good morning,
>>
>> the file contains "8.25F, \n". I notice a strange behavior with this line:
>>
>> sed -i -r 's/([0-9])F([,; \]\}\)])/\1\2/g'  file
>>
>> while I'm expecting to get "8.25, \n", the content is not changed. To get
>> the expected substitution, I must use:
>>
>> sed -i -r 's/([0-9])F([,; \}\)])/\1\2/g'  file
>>
>> as if it is not legal to use the escaped character  ']'.
>
> If you want to use a "]" inside a bracket expression, specify it as the
> very first character (after the ^ negation, if present, but that's not
> your case). And you don't need to escape } and ) inside the bracket
> expression, so
>
> sed -i -r 's/([0-9])F([],; })])/\1\2/g'  file
>
> Here what's inside the [] is
>
> ],; })

Thanks for helping, Davide.
Massimo, I'm marking this as "notabug" and closing the auto-filed issue.

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