>X-Envelope-Sender: [EMAIL PROTECTED]
>"Mike A. Harris" wrote:
>> /usr/bin/which is an ELF executable on Red Hat Linux, but I agree
>> that it definitely is not an application that can be expected to
>> be portable.
>Which in Debian GNU/Linux it's a simple shell script that contains:
>----------------
>#!/bin/bash
>unalias -a
>unset -- "$@" &>/dev/null
>enable -n -- "$@" &>/dev/null
>type -p "$@"
>---------------
So it will not do what people who know where "which" comes from expect.
The "real" which is (same file is on *BSD):
/*--------------------------------------------------------------------------*/
#! /usr/bin/csh -f
#
# Copyright(c) 1997, by Sun Microsystems, Inc.
# All rights reserved.
#
#ident "@(#)which.csh 1.4 97/04/23 SMI"
#
# which : tells you which program you get
#
# Set prompt so .cshrc will think we're interactive and set aliases.
# Save and restore path to prevent .cshrc from messing it up.
set _which_saved_path_ = ( $path )
set prompt = ""
if ( -r ~/.cshrc && -f ~/.cshrc ) source ~/.cshrc
set path = ( $_which_saved_path_ )
unset prompt _which_saved_path_
set noglob
foreach arg ( $argv )
set alius = `alias $arg`
switch ( $#alius )
case 0 :
breaksw
case 1 :
set arg = $alius[1]
breaksw
default :
echo ${arg}: " " aliased to $alius
continue
endsw
unset found
if ( "$arg:h" != "$arg:t" ) then # head != tail, don't search
if ( -e $arg ) then # just do simple lookup
echo $arg
else
echo $arg not found
endif
continue
else
foreach i ( $path )
if ( -x $i/$arg && ! -d $i/$arg ) then
echo $i/$arg
set found
break
endif
end
endif
if ( ! $?found ) then
echo no $arg in $path
endif
end
/*--------------------------------------------------------------------------*/Jörg
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
[EMAIL PROTECTED] (uni) If you don't have iso-8859-1
[EMAIL PROTECTED] (work) chars I am J"org Schilling
URL: http://www.fokus.gmd.de/usr/schilling ftp://ftp.fokus.gmd.de/pub/unix
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