bug#41004: closed (Documentation:enhancement - search for hexvalue)

[GNU bug Tracking System]

Your message dated Mon, 21 Sep 2020 20:25:15 -0700
with message-id <8a8edbb9-af9f-b8b3-43c3-1e22b0a54141@cs.ucla.edu>
and subject line Re: bug#41004: Documentation:enhancement - search for hexvalue
has caused the debbugs.gnu.org bug report #41004,
regarding Documentation:enhancement - search for hexvalue
to be marked as done.

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41004: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41004
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> --- Begin Message ---
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> Subject: 
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> Documentation:enhancement - search for hexvalue
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> Date: 
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> Fri, 1 May 2020 19:05:28 +0200
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> Hi,
> i had the problem of searching for a non-printable character in a long
> list of strings. I found nothing the documentation and but several discussion
> how to do that where either complicated or did not fit for my case, maybe i
> was unlucky, ntl i found a simple solution that should be mentioned in the
> documentation.
>
> problem: grep for a character where only the hexcode in known.
>
> solution:        use $'\xNN'
>                      then shell expands this to the required code
>
> example:       printf "A\nB\nC\n" | grep $'\x41'
>
> note: that uses only printable characters, it works also with anything else
>          except \0 (i guess).
>
> i found that solution nice, it did no require any flags etc, for my problem it
> worked like a charm.
> (i am not member of the list please reply directly to this address) .
>
> hope that helps,
>  radisson
>
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: bug#41004: Documentation:enhancement - search for hexvalue Date: Mon, 21 Sep 2020 20:25:15 -0700 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 I installed the attached doc patch, which I hope addresses the issues mentioned in this bug report, and am boldly closing the bug report.

0001-doc-say-how-to-match-chars-by-code.patch
Description: Text Data

--- End Message ---