freebsd-dev/usr.bin/which/which.sh
Jordan K. Hubbard ab8791e05b Bring in Joerg's which command. It's small, it's simple, it will stop
people (like me! :) from whining!
Submitted by:	joerg
1995-01-25 19:18:33 +00:00

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#!/bin/csh
#
#
# Copyright (C) 1994, Joerg Wunsch <joerg@freebsd.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the University of
# California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE CONTRIBUTOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# [whew!]
#
# $Id$
foreach i ($argv)
echo -n "${i}: "
set a = `alias $i`
if ("$a" != "") then # test for alias
echo "aliased to $a"
else if ("$i" =~ /*) then # absolute path name
if (! -x "$i") then
echo "not found"
else
echo "$i"
endif
else # search $path
set found = 0
foreach p ($path)
if (-x "$p/$i") then
echo "$p/$i"
set found = 1
break
endif
end
if ($found == 0) echo "not found"
endif
end