GNU bug report logs - #10394
Bug in tr command

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jim Meyering <jim <at> meyering.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#10394: closed (Bug in tr command)
Date: Thu, 29 Dec 2011 09:16:03 +0000

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Your message dated Thu, 29 Dec 2011 10:12:22 +0100
with message-id <8739c3eo7d.fsf <at> rho.meyering.net>
and subject line Re: bug#10394: Bug in tr command
has caused the debbugs.gnu.org bug report #10394,
regarding Bug in tr command
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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10394: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=10394
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From: Raj Kambli <rkambli <at> yahoo.com>
To: "bug-coreutils <at> gnu.org" <bug-coreutils <at> gnu.org>
Subject: Bug in tr command
Date: Wed, 28 Dec 2011 18:29:33 -0800 (PST)

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Dear GNU,

Not sure if this is bug. But I think first one is legal command that is logically similar to second which works



Thank you,
Raj.


#1-- Error
[raj <at> rajvista ~]$ echo "Raj" | tr "[[:alpha:]]" "[[:lower:]]"
tr: misaligned [:upper:] and/or [:lower:] construct


#2--Ok

[raj <at> rajvista ~]$ echo "Raj" | tr "[[:upper:]]" "[[:lower:]]"
raj
[raj <at> rajvista ~]$ 



[raj <at> rajvista ~]$ tr --version
tr (GNU coreutils) 6.12
Copyright (C) 2008 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.

Written by Jim Meyering.

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From: Jim Meyering <jim <at> meyering.net>
To: Raj Kambli <rkambli <at> yahoo.com>
Cc: 10394-done <at> debbugs.gnu.org
Subject: Re: bug#10394: Bug in tr command
Date: Thu, 29 Dec 2011 10:12:22 +0100

tags 10394 notabug
thanks

Raj Kambli wrote:
> Not sure if this is bug. But I think first one is legal command that
> is logically similar to second which works
>
> #1-- Error
> [raj <at> rajvista ~]$ echo "Raj" | tr "[[:alpha:]]" "[[:lower:]]"
> tr: misaligned [:upper:] and/or [:lower:] construct
>
>
> #2--Ok
> [raj <at> rajvista ~]$ echo "Raj" | tr "[[:upper:]]" "[[:lower:]]"
> raj
> [raj <at> rajvista ~]$

Thanks for the report.  However, that is not a bug.
Your first example really is an error.

As documented (see the "character classes" section of "info tr"), when
translating (i.e., not deleting), if you specify "lower" or "upper"
in the second set, you must specify "upper" or "lower" (resp.) in the
first set -- and it must be in the same relative position.

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