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From: ken@turtlevax.UUCP (Ken Turkowski)
Newsgroups: net.puzzle,net.unix
Subject: How to get the C-shell to recognize -?
Message-ID: <758@turtlevax.UUCP>
Date: Fri, 10-May-85 12:47:10 EDT
Article-I.D.: turtleva.758
Posted: Fri May 10 12:47:10 1985
Date-Received: Sat, 11-May-85 04:40:04 EDT
Distribution: net
Organization: CADLINC, Inc. @ Menlo Park, CA
Lines: 35
Xref: watmath net.puzzle:832 net.unix:4477

In trying to make my shell scripts understand a standard help inquiry,
I would like to have the csh recognize the flag "-?" , so that one might say:
	gobble -\?
and have it echo:
	gobble takes the flags:
	-v		Verbose
	-o <outfile>	Output is directed to <outfile> rather than the default
	-?		Prints this help message
	...
I have done this easily with sh, but csh is very stubborn.  I have tried
	switch ("$flag")
		case
		case -?:
		case '-?':
		case -\?:
		case "-?":
		case "-\?":
		case "-\\?":
		case "-\\\?":
		case "-\\\\?":
		case "-\\\\\?":
		case '-?':
		case '-\?':
		case '-\\?':
		case '-\\\?':
		case '-\\\\?':
		case '-\\\\\?':
	endsw
and none of them will match.  So I offer this problem as a puzzle to the
Unix community (including Bill Joy, the author).
-- 

Ken Turkowski @ CADLINC, Menlo Park, CA
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