#!/bin/sh
if [ ".$1" == "." ]
then
    echo usage `basename $0` source_directory
    exit 1
fi
dir="$1"
if [ ! -d "$dir" ]
then
    echo directory $dir not found
    exit 2
fi
if [ ! -d obj ]
then
    mkdir obj
fi
javac -d obj -cp obj `find "$dir" -name "*java"`