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From: lef@nlm-vax.ARPA (Larry Fitzpatrick)
Newsgroups: net.unix-wizards,net.bugs.4bsd
Subject: Re: C-Shell weirdness
Message-ID: <5@nlm-vax.ARPA>
Date: Wed, 2-Apr-86 12:52:44 EST
Article-I.D.: nlm-vax.5
Posted: Wed Apr  2 12:52:44 1986
Date-Received: Sat, 5-Apr-86 08:31:32 EST
References: <676@nbires.UUCP> <344@hadron.UUCP>
Reply-To: lef@nlm-vax.UUCP (Larry Fitzpatrick)
Distribution: net
Organization: NLM/LHNCBC, Bethesda, Md.
Lines: 17
Xref: watmath net.unix-wizards:17451 net.bugs.4bsd:2037

In article <344@hadron.UUCP> jsdy@hadron.UUCP (Joseph S. D. Yao) writes:

>Your alternative is actually a venerable shell-script idiom to cancel
>the flag effect of the "-".  However, you really should put $arg in
>double-quotes to negate the effect of an in-valid string:
>	set arg = "-b -e"
>	if (x$arg == '-b')
>becomes
>	if (x-b -e == '-b')
>with who knows what syntax error reports.  I'd use:
>	if ("X$arg" == "X-b") ...

if ("$arg" == "-b") echo is sufficient

regards,
fitz
lef@nlm-vax