buggrep - Bugs: bug #30455, \s now matches whitespace

 
 

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bug #30455: \s now matches whitespace

Submitter:  None
Submitted:  Thu 15 Jul 2010 08:34:59 PM UTC
   
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  Fixed
Privacy:  Public Assigned to:  None
Open/Closed:  Closed

Fri 16 Jul 2010 08:41:40 PM UTC, comment #1: 

The escapes were already handled this way by the backtracking matcher.  So the behavior was inconsistent depending on whether grep used the DFA matcher or the backtracking matcher.

I committed a documentation patch to document \s and \S.



Thank you for the bug report. This bug has been fixed in the
development sources, which can be downloaded using git from
git://git.sv.gnu.org/grep.git

Paolo Bonzini <bonzini>
Thu 15 Jul 2010 08:34:59 PM UTC, original submission:  

$ echo " " | grep -c '^\s'
1
$ echo s | grep -c '^\s'
0

According to the documentation, the results ~should~ be:

$ echo " " | grep -c '^\s'
0
$ echo s | grep -c '^\s'
1

If this is a desired feature (and I for one think it is very
undesirable to change the way grep works) it should be at least
documented.

Anonymous

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2010-07-16 bonzini StatusNone Fixed
        Open/ClosedOpen Closed
        Summary\\s now matches whitespace \s now matches whitespace

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