GNU bug report logs - #13295
Possible bug - tr utility

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From: "Killen, Randy" <rkillen <at> frk.com>
To: 13295 <at> debbugs.gnu.org
Subject: bug#13295: Possible bug - tr utility
Date: Fri, 28 Dec 2012 17:37:18 +0000

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Hello -

I encountered the situation shown below so thought that I would report it to see if it might be a bug or is expected behavior.  Please let me know if you need additional information.

Randy


$
$ echo something | tr [:lower:] [:upper:]
SOMETHING
$ echo something | tr '[:lower:]' '[:upper:]'
SOMETHING
$
$ touch l
$ echo something | tr [:lower:] [:upper:]
tr: misaligned [:upper:] and/or [:lower:] construct
$ echo something | tr '[:lower:]' '[:upper:]'
SOMETHING
$ rm l
$
$ touch u
$ echo something | tr [:lower:] [:upper:]
tr: misaligned [:upper:] and/or [:lower:] construct
$ echo something | tr '[:lower:]' '[:upper:]'
SOMETHING
$ rm u
$
$ touch l
$ touch u
$ echo something | tr [:lower:] [:upper:]
something
$ echo something | tr '[:lower:]' '[:upper:]'
SOMETHING
$ rm l
$ rm u
$
$
$ uname -srvo
Linux 2.6.18-274.18.1.0.1.el5 #1 SMP Thu Feb 9 19:07:16 EST 2012 GNU/Linux
$ echo $SHELL
/bin/bash
$
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