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To: steve howe <un_x@hotmail.com>
cc: hackers@freebsd.org
Subject: Re: expr failure 
In-reply-to: Your message of "Sun, 09 Mar 1997 04:26:58 PST."
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Date: Sun, 09 Mar 1997 21:26:23 +0000
From: Brian Somers <brian@awfulhak.demon.co.uk>
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> "/bin/expr" seems to be non-funtional.
> \
> !#/bin/sh
> #
> a=0; a='expr $a + 1'     # right out of man page for expr

You'll need the right quotes (`), not ('), or use "let" for clarity:

a=0
let a=$a+1

Even using $() makes things clearer:

a=0
a=$(expr $a + 1)

and makes life easier when nesting.
-- 
Brian <brian@awfulhak.demon.co.uk>, <brian@freebsd.org>
      <http://www.awfulhak.demon.co.uk/>
Don't _EVER_ lose your sense of humour....