[ On Sunday, April 4, 2004 at 15:14:28 (-0400), Steven M. Bellovin wrote: ]
> Subject: Re: PR's about which(1) 
>
> I suspect that 'which' has to be a built-in -- if you don't export 
> $PATH, a command version will see a different set of directories than 
> the shell will.

That doesn't seem to have been a problem for most csh users before!  ;-)

(i.e. the csh "which" command has traditionally always been a csh script)

>  Besides, there are aliases, shell functions, and other 
> shell built-ins; an outboard command won't ("can't" is more accurate) 
> know about these.

These things are often visible in csh scripts because they are set up in
the user's ~/.cshrc file, often even for non-interactive shells (because
often users don't know better :-)

-- 
						Greg A. Woods

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