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Re: bash scripting problem

From: Daniel Dalton <daniel dalton47 gmail com>
To: Linux for blind general discussion <blinux-list redhat com>, programmingblind freelists org
Cc:
Subject: Re: bash scripting problem
Date: Sun, 02 Dec 2007 17:32:17 +1100

On 2/12/2007 5:11 PM, Daniel Dalton wrote:

z=$x+$y


Ah yes I worked it out...
It should be:
z =`expr $y + $x`

BTW what does the expr mean? And why do we need to use "`"?

--
Daniel Dalton

http://members.iinet.net.au/~ddalton/
daniel dalton47 gmail com

Follow-Ups:
- Re: bash scripting problem
  - From: Geoff Shang

References:
- bash scripting problem
  - From: Daniel Dalton

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