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From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.unix.questions
Subject: Re: ":" as a csh command
Message-ID: <4864@mimsy.UUCP>
Date: Sat, 20-Dec-86 14:42:59 EST
Article-I.D.: mimsy.4864
Posted: Sat Dec 20 14:42:59 1986
Date-Received: Sat, 20-Dec-86 22:37:24 EST
References: <666@cullvax.UUCP>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 21

In article <666@cullvax.UUCP>, drw@cullvax.UUCP (Dale Worley) writes:
>What does the ':' command to csh do?

It serves to hold a label.  The script

	foo:
	echo foo
	goto foo

prints an infinite number of `foo's.

Note that this is more or less the inverse of the V6 shell's labels:

	: foo
	echo foo
	goto foo

(In the V6 shell, `goto' was a separate program!)
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7690)
UUCP:	seismo!mimsy!chris	ARPA/CSNet:	chris@mimsy.umd.edu