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#! /bin/sh
# $Id$
#
# This is a simple implementation of the 'which' command for those OSes that
# don't have one.
#
true; TRUE=$?
false; FALSE=$?
showAll=${FALSE}
# process command line flags
while getopts 'a' opt; do
case ${opt} in
a) showAll=${TRUE}
esac
done
shift `expr ${OPTIND} - 1`
# exit if no arguments were given
[ $# -eq 0 ] && exit 1
command=$1
# search for command
out=`echo "${PATH}" |sed "s/:/\n/g" |\
while read path; do
fullPath="${path}/${command}"
if [ -x "${fullPath}" ]; then
echo "${fullPath}"
[ ${showAll} -eq ${FALSE} ] && break
fi
done`
[ -z "${out}" ] && exit 1
echo "${out}"
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