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#!/bin/sh
############################################################
# Copyright (c) 2009-2012 by Aleksey Cheusov
#
# See LICENSE file in the distribution.
############################################################
# Portable replacement for which(1)
if test "$1" = "-x"; then
failure=0
shift
else
failure=1
fi
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
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