From: Charlie Brady <charlieb-supervision@budge.apana.org.au>
Cc: supervision@list.skarnet.org
Subject: Re: problems with QMAILQUEUE and reading stdin
Date: Mon, 29 May 2006 09:59:39 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.61.0605290954180.24384@e-smith.charlieb.ott.istop.com> (raw)
In-Reply-To: <1148905142.19941.57.camel@avirat>
On Mon, 29 May 2006, B S Srinidhi wrote:
> On Mon, 2006-05-29 at 08:11 -0400, Charlie Brady wrote:
>> Why run cat unnecessarily (and depend on /dev/stdin which only sometimes
>> exists)?
>>
>> Try:
>>
>> tmp=$pq/$(/usr/pkg/bin/safecat "$pq/tmp" "$pq")
>
> hmm... Yeah you are right. :) But is the above thing portable? I mean,
> would this work with shells other than BASH?
It's portable, but not portable to every legacy shell. I understand that
$() is a POSIX standard. This doc (entitled 'The POSIX standard'):
http://www.cems.uwe.ac.uk/~srking/asa/posix/Notes.pdf
says:
The backtick construction is deprecated in favour of $(). However the.
Bourne shell only supports backticks. ...
prev parent reply other threads:[~2006-05-29 13:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-29 1:58 George Georgalis
2006-05-29 5:23 ` B S Srinidhi
2006-05-29 12:11 ` Charlie Brady
2006-05-29 12:19 ` B S Srinidhi
2006-05-29 13:37 ` George Georgalis
2006-05-29 14:38 ` Charlie Brady
2006-05-29 15:49 ` George Georgalis
2006-05-29 15:56 ` Charlie Brady
2006-05-29 20:48 ` George Georgalis
2006-05-29 13:59 ` Charlie Brady [this message]
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