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From: david@ukme.UUCP (David Herron, NPR Lover)
Newsgroups: net.unix-wizards
Subject: Re: question-- Bourne (and C) SHELL
Message-ID: <4263@ukme.UUCP>
Date: Mon, 1-Sep-86 15:06:45 EDT
Article-I.D.: ukme.4263
Posted: Mon Sep  1 15:06:45 1986
Date-Received: Mon, 8-Sep-86 19:12:08 EDT
References: <3220@brl-smoke.ARPA>
Reply-To: david@ukme.UUCP (David Herron, NPR Lover)
Organization: U of Kentucky, Mathematical Sciences
Lines: 30

In article <3220@brl-smoke.ARPA> swa@COMET.LCS.MIT.EDU (Steven Augart) writes:
>    if ls foo
>    then
>            ;
>    else
>            echo "foo not found"
>    endif

Or:

	#! /bin/sh
	# not.sh -- Logical NOT of the return status of a command
	#
	# USAGE: not command
	#
	if $@; then
		exit 1
	else
		exit 0
	fi

Allowing one to say:

	if not rsh e /bin/true; then
		echo ^G^Ge is down^G^G
	fi
-- 
David Herron,  cbosgd!ukma!david, david@UKMA.BITNET, david@ms.uky.csnet
	(I'm also "postmaster" at all those addresses)
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