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From: Malcolm Kay <malcolm.kay@internode.on.net>
Organization: At home
To: Jez Hancock <jez.hancock@munk.nu>,
	FreeBSD Questions List <freebsd-questions@freebsd.org>
Date: Thu, 11 Dec 2003 21:26:07 +1030
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Subject: Re: sed from a shell script - invalid command code
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On Thu, 11 Dec 2003 01:10, Jez Hancock wrote:
> #!/bin/sh
> sed=3D/usr/bin/sed
> passwd_file=3D/etc/passwd
>
> ignore_users=3D"root|toor|daemon|operator|bin|tty|kmem|games|news|man|s=
mmsp|b
>ind|uucp|xten|pop|nobody|mysql|www|sshd|ftp|cyrus"
>
> cmd=3D"$sed -E -e '/^(#|$ignore_users)/d' -e 's/:.*//' $passwd_file"
>
> users=3D`cmd`

I believe you want
  users=3D`eval $cmd`
for this line

> echo $users

Malcolm