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From: carl@bdaemon.UUCP (carl)
Newsgroups: net.unix
Subject: Re: Comment lines in the Bourne shell
Message-ID: <297@bdaemon.UUCP>
Date: Thu, 13-Jun-85 10:38:13 EDT
Article-I.D.: bdaemon.297
Posted: Thu Jun 13 10:38:13 1985
Date-Received: Mon, 17-Jun-85 04:35:23 EDT
References: <1194@uwmacc.UUCP>
Distribution: net
Organization: Daemon Assoc., Boulder, CO
Lines: 11

For example, the comment
> 
> : to use this file type <name> | lpr
> 
> produces a message referring to the pipe, even though the whole
> line is commented out.  What am I missing?

The problem is that the : is a no-op instead of a comment delimiter.
Everything following the colon is evaluated and zero is returned.

Carl Brandauer