[Gllug] Bizarre shell behaviour

Dylan dylan at dylan.me.uk
Fri Nov 7 23:27:51 UTC 2003


On Friday 07 November 2003 17:16 pm, Tethys wrote:
> Take the following shell script. Run it:
>
> 	#!/bin/sh
>
> 	count=0
> 	while read var
> 	do
> 		count=1
> 	done < /etc/group
>
> 	echo $count

Just out of interest (and 'cos I'm trying to learn shell scripting) can 
someone explain what this is supposed to achieve. The loop is obvious, but 
what's the redirection all about?

Cheers

Dylan

-- 
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