[Gllug] Bizarre shell behaviour

[Bruce Richardson]

On Fri, Nov 07, 2003 at 11:27:51PM +0000, Dylan wrote:
> 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?

It's reading from the file /etc/group, one line at a time.

-- 
Bruce

I object to intellect without discipline.  I object to power without
constructive purpose. -- Spock
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