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grep
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From: |
jfp |
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Subject: |
grep |
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Date: |
Fri, 25 Feb 2005 17:11:43 -0500 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040819 Debian/1.7.2-3 |
Bug: grep and egrep doesn't distinguish lower case and upper case in
character range in
some situations.
Found in version 2.5.1 distributed with RedHat Fedora Core 2 :
$ echo "A" | grep '[a-z]'
A
$ echo "a" | grep '[A-Z]'
$ echo "b" | grep '[A-Z]'
b
$
$ uname -a
Linux pc101 2.6.10-1.14_FC2 #1 Thu Feb 10 17:13:14 EST 2005 i686 i686
i386 GNU/Linux
$ grep -V
grep (grep de GNU) 2.5.1
....
$ alias grep
-bash: alias: grep: not found
$ egrep '[a-z]'
AA
AA
...
$ egrep -V
egrep (grep de GNU) 2.5.1
...