Path: utzoo!utgpu!cs.utexas.edu!rice!uw-beaver!milton!hayes.ims.alaska.edu!lll-winken!uunet!mcsun!hp4nl!star.cs.vu.nl!maart
From: maart@cs.vu.nl (Maarten Litmaath)
Newsgroups: alt.sources.d
Subject: Re: which() (was Re: Multiple executables in path)
Message-ID: <8905@star.cs.vu.nl>
Date: 31 Jan 91 18:42:12 GMT
References: <17687:Jan2414:33:5091@kramden.acf.nyu.edu> <4545@softway.sw.oz.au>
Sender: news@cs.vu.nl
Reply-To: maart@cs.vu.nl (Maarten Litmaath)
Organization: VU Dept. of Computer Science, Amsterdam, The Netherlands
Lines: 29

In article <4545@softway.sw.oz.au>,
	peterc@softway.sw.oz.au (Peter Chubb) writes:
)My favourite solution, for the Bourne shell, at least, is:
)
)#!/bin/sh
)# which -- print full pathname of executable args.
)
)for i
)do
)    IFS=":"
)    for j in $PATH
)    do
)	test -x $j/$i && echo $j/$i
)	exit 0
)    done
)done
)exit 1

This script doesn't work at all!  You meant this:

	test -x $j/$i && {
		echo $j/$i
		exit 0
	}

Furthermore this script has the same problems as other scripts that
invoke `test', as discussed before.
--
Temporary files like /tmp/sh$$ are an abomination.