URL:
<http://savannah.gnu.org/bugs/?30515>
Summary: Grep now seems to interpret \s in the regex as
whitespace
Project: grep
Submitted by: Digilicious
Submitted on: Wed 21 Jul 2010 05:05:40 PM PDT
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
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Details:
Grep now seems to interpret \s in the regex as whitespace. This is
not how grep used to work, nor is it how grep is documented to work.
Old grep works fine:
$ grep --version
grep (GNU grep) 2.5.1
Copyright 1988, 1992-1999, 2000, 2001 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ echo s | grep -c '^\s$'
1
$ echo " " | grep -c '^\s$'
0
New grep is broken:
$ grep --version
GNU grep 2.6.3
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
$ echo s | grep -c '^\s$'
0
$ echo " " | grep -c '^\s$'
1
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