[Gllug] Bizarre shell behaviour

[Dylan]

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

-- 
Sweet moderation
Heart of this nation
Desert us not
We are between the wars
- Billy Bragg


-- 
Gllug mailing list  -  Gllug at linux.co.uk
http://list.ftech.net/mailman/listinfo/gllug