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#!/bin/sh
############################################################
# Copyright (c) 2009-2012 by Aleksey Cheusov
#
# See LICENSE file in the distribution.
############################################################
# Portable replacement for which(1)
failure=1
while getopts x f; do
case "$f" in
x)
failure=0;;
*)
exit 2;;
esac
done
shift `expr $OPTIND - 1`
if test $# -ne 1; then
cat <<EOF
usage: mkc_which [-x] program
-x -- exit status is always 0
EOF
exit 1
fi
if echo "$1" | grep '^/' > /dev/null; then
if test -x "$1"; then
echo "$1"
exit 0
fi
else
for i in `echo $PATH|tr : ' '`; do
if test -x "$i/$1" -a -f "$i/$1"; then
echo "$i/$1"
exit 0
fi
done
fi
echo "Cannot find $1" >&2
exit "$failure"
|
