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Date:      Fri, 3 Mar 2000 11:22:32 -0500 (EST)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        Assar Westerlund <assar@sics.se>
Cc:        Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, current@FreeBSD.ORG
Subject:   Re: C shell scripts (was: Re: which(1), rewritten in C?)
Message-ID:  <200003031622.LAA73168@khavrinen.lcs.mit.edu>
In-Reply-To: <5log8wjb2e.fsf@assaris.sics.se>
References:  <20000303005651.A62723@dragon.nuxi.com> <200003030909.KAA72276@hugo10.ka.punkt.de> <20000303073621.A91188@dragon.nuxi.com> <5lln40qcpj.fsf@assaris.sics.se> <200003031556.KAA73010@khavrinen.lcs.mit.edu> <5log8wjb2e.fsf@assaris.sics.se>

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<<On 03 Mar 2000 17:03:05 +0100, Assar Westerlund <assar@sics.se> said:

> Sure, but there's a /usr/bin/which program.  Do you suggest we should
> remove it?  I don't have any problems with that...

The original `which' was a C shell script.  Its purpose was
specifically to explain how the C shell would locate a particular
command.  That's why the Korn shell introduced `type'.  This
functionality *needs* to be a shell builtin -- the only reason an
external C shell script worked (most of the time) was that csh insists
on reading .cshrc even for non-interactive shells.

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick


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