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Date: Sun, 9 May 2004 00:18:31 +0200 (CEST)
From: "Julien Gabel" <jpeg@thilelli.net>
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Subject: Re: tr A-Z a-z
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>> Strange: I was used to do upper case lower case conversion always like
>> this and it suddenly doesn't work anymore:
>>
>> $ echo Z | tr "[A-Z]" "[a-z]"

You can use special classes in this case too:
 $ echo "Zz" | tr [:upper:] [:lower:]

-- 
-jpeg.