Re: Case statement

From: William (fred_at_nosmapherethankyou.com)
Date: 05/31/05 

Date: Tue, 31 May 2005 15:10:56 +0000 (UTC)

<joe@invalid.address> wrote:

> case blocks don't work like that. The cases match string patterns, but
> don't interpret them. You want to first ensure that the input is
> numeric, and then test for the range. for example
>
> case $1 in
> *[!0-9]*) echo Error, input is not numeric
> ;;
> *) if [ "$1" -ge 100 -a "$1" -le 6000 ];then
> echo input is between 100 and 6000
> else
> echo input is not between 100 and 6000
> fi
> ;;
> esac
>
> Joe

Apologies for asking another daft question :-(

If a user were to input say.

Enter a value: 1 2 3 4

Is there any way of catching that to produce an error? with the above being
considered. 

--
Regards
William

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