From owner-freebsd-questions  Wed May 30 11:57:52 2001
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To: Mike Meyer <mwm@mired.org>
Cc: "Corey Brune" <brune@sdf.lonestar.org>, questions@FreeBSD.ORG
Subject: Re: reading from batch file with ex 
In-Reply-To: Your message of "Tue, 29 May 2001 23:03:10 CDT."
             <15124.28926.954566.393875@guru.mired.org> 
From: dochawk@psu.edu
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mike mentioned
> Corey Brune <brune@sdf.lonestar.org> types:
> > try:
> > ex < filename

> Or try a here document if you really want it in place (and I changed
> the s to a c to make it easier to read):

> ex <<EOF
> 1c
> /compat/linux/bin/sh
> .
> w
> q
> EOF


ahh, that's what I'm looking for--I'd like to keep it all in one file 
(so I can lose it all at once :)

> Though you'd probably be a *lot* better off using sed for this.

> mv script script.old
> sed '1s;^.*$;#!/compat/linux/bin/sh; < script.old > script
> 
> or maybe that should be:
> 
> sed '1c

There's something far back in my memories trying to claim that there 
was something dangerous about using sed this way, but i'ts beyond my 
current ability to remember . . .



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