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From: tif@doorstop.austin.ibm.com (Paul Chamberlain/32767)
Newsgroups: comp.unix.shell
Subject: Re: Yet Another bourne shell query
Message-ID: <3330@awdprime.UUCP>
Date: 31 Aug 90 13:14:55 GMT
References: <437@minya.UUCP>
Sender: news@awdprime.UUCP
Reply-To: tif@reed.UUCP (Paul Chamberlain/32767)
Organization: IBM AWD, Austin, TX
Lines: 16

In article <437@minya.UUCP> jc@minya.UUCP (John Chambers) writes:
>I basically want to write something like:
>	if [ <file 0 is open> ];then exec</dev/null;fi

This seems to work:

	if read x
	then : okay
	else
		exec < /dev/null
	fi

I hope you're not going to all this trouble to use /dev/null though.

Paul Chamberlain | I do NOT represent IBM         tif@doorstop, sc30661@ausvm6
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