mk.sh

#!/usr/bin/env sh
set -e
 
if [ $# -ne 2 ]; then
   	 echo "err: bad usage." >&2
    	 exit 2
fi
 
mk="mk"
scriptsh="$1/$mk/$2.sh"
scriptpl="$1/$mk/$2.pl"
 
if [ -f "$scriptsh" ]; then
	(cd "$1" && sh "$mk/$2.sh")
elif [ -f "$scriptpl" ]; then
	(cd "$1" && perl "$scriptpl")
else
    	echo "err: no such file/dir." >&2
    	exit 1
fi