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Date:	Sat, 06 Jul 2002 13:19:23 -0700
To:	"Jim George" <jim DOT george AT blueyonder DOT co DOT uk>,
	"Hari Turlapati" <hturlapati AT yahoo DOT co DOT in>, <cygwin AT cygwin DOT com>
From:	Randall R Schulz <rrschulz AT cris DOT com>
Subject:	Re: ls -R doesn't work; V1.3.12 on Win2000
In-Reply-To:	<5.1.0.14.2.20020706130513.025cca18@pop3.cris.com>
References:	<009401c224c3$087da5b0$0400a8c0 AT JIMGEORGE>
	<000901c22458$419aef30$9e00100a AT HTURLAPATI>
Mime-Version:	1.0

Jim, Hari,

Sorry... I didn't review my posting critically before sending it off...

There's an oversight in both my and Jim's posting: The "." character is the 
single-character match-any pattern character in all the grep variants (and 
in other programs, such as sed and Perl), and hence must be escaped to be 
interpreted literally as the period character.

So the proper incantation of my example is:

         ls -laR |egrep -i '\.(doc|pdf|rtf)'

Randall


At 13:10 2002-07-06, Randall R Schulz wrote:
>Jim,
>
>Apart from the fact that, as Chris F. pointed out, you and Hari seem to 
>share a misconception about how the "-R" option to "ls" works, your 
>suggestion about using grep is probably better, in this instance, than 
>involving "find" as I said you "must" do (a very poor and inaccurate 
>choice of words).
>
>You'll probably want to use the "-i" option to grep so that it matches the 
>letters in the suffixes case insensitively, since Windows doesn't care 
>about alphabetic case in any part of a file name.
>
>If you use "egrep" you can get multiple suffixes selected in a single command:
>
>         ls -laR |egrep -i '.(doc|pdf|rtf)'
>
>for example.
>
>
>Randall Schulz


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