xref: /original-bsd/old/which/which.csh (revision 5d3a6356)
1#!/bin/csh
2#
3# DO NOT USE "csh -f"
4#
5# Copyright (c) 1980 Regents of the University of California.
6# All rights reserved.
7#
8# Redistribution and use in source and binary forms are permitted
9# provided that this notice is preserved and that due credit is given
10# to the University of California at Berkeley. The name of the University
11# may not be used to endorse or promote products derived from this
12# software without specific prior written permission. This software
13# is provided ``as is'' without express or implied warranty.
14#
15#	@(#)which.csh	5.4 (Berkeley) 04/19/88
16#
17#	which : tells you which program you get
18#
19set prompt = "% "
20set noglob
21foreach arg ( $argv )
22    set alius = `alias $arg`
23    switch ( $#alius )
24	case 0 :
25	    breaksw
26	case 1 :
27	    set arg = $alius[1]
28	    breaksw
29        default :
30	    echo ${arg}: "	" aliased to $alius
31	    continue
32    endsw
33    unset found
34    if ( $arg:h != $arg:t ) then
35	if ( -e $arg ) then
36	    echo $arg
37	else
38	    echo $arg not found
39	endif
40	continue
41    else
42	foreach i ( $path )
43	    if ( -x $i/$arg && ! -d $i/$arg ) then
44		echo $i/$arg
45		set found
46		break
47	    endif
48	end
49    endif
50    if ( ! $?found ) then
51	echo no $arg in $path
52    endif
53end
54