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From: robert@pvab.UUCP (Robert Claeson)
Newsgroups: comp.unix.questions
Subject: Negative numbers as expr(1) argument
Message-ID: <289@pvab.UUCP>
Date: Mon, 10-Aug-87 05:43:53 EDT
Article-I.D.: pvab.289
Posted: Mon Aug 10 05:43:53 1987
Date-Received: Tue, 11-Aug-87 05:26:04 EDT
Reply-To: robert@pvab.UUCP (Robert Claeson)
Distribution: world
Organization: Statskonsult Programvaruhuset AB, Sweden
Lines: 9

I tried to add a negative number with a non-negative number by using the
expr(1) command. It responded with "non-numeric argument" (BSD 4.2) or
"unknown operation" (SVR2). Anyone who knows how to express negative
numbers with expr?

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