head	1.1;
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	ahuxley:1.1; strict;
comment	@# @;


1.1
date	2000.01.23.12.01.29;	author ahuxley;	state Exp;
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desc
@MY WHICH COMMAND
@


1.1
log
@Initial revision
@
text
@#!/usr/bin/ksh
PROGNAME=`basename $0`

OLD_PATH=$PATH
PATH=/bin:/usr/bin

OLD_IFS="$IFS"

usage()
{
    echo "Usage: $PROGNAME [ -a ] <program> ..." >&2
    exit 1
}

MODE=firstonly

while [ "X$1" != X ]; do
    case $1 in
        -a) MODE=all ;;
        -*) usage ;;
        *)  break ;;
    esac
    shift 
done
[ "X$1" = X ] && usage

ALL_FOUND=true
IFS="$IFS:"
for PROGRAM in $*; do
    THIS_ONE_FOUND=false
    for DIR in $OLD_PATH; do
        [ -x "$DIR/$PROGRAM" ] && { echo "$DIR/$PROGRAM"; THIS_ONE_FOUND=true; [ $MODE = firstonly ] && break; }
    done
    [ $THIS_ONE_FOUND = false ] && ALL_FOUND=false
done

#  Force right exit code
[ $ALL_FOUND = true ]
@