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From: rouben@math13.math.umbc.edu (Rouben Rostamian)
Newsgroups: comp.unix.questions
Subject: Re: If $1 = "" I get an error, Help:-)
Message-ID: <4053@umbc3.UMBC.EDU>
Date: 1 Oct 90 22:07:44 GMT
References: <311@alix.UUCP>
Sender: newspost@umbc3.UMBC.EDU
Reply-To: rouben@math13.math.umbc.edu.UUCP (Rouben Rostamian)
Distribution: usa
Organization: Mathematics Department University of Maryland, Baltimore County
Lines: 16

In article <311@alix.UUCP> isolated@alix.UUCP (20 James D. Corder) writes:
 >
 >I have a sh program that wants input at the command line.
 >However, I need an error out if the unser does not input at the command line.
 >ie:
 >
 >if [ ${1} = "" ]
 >then
 >	echo "Please enter your option now."
 > ...etc...

  Replace the first line with:

     if [ "${1}" = "" ]

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