#!/bin/bash

if [ -z "$1" ]

then

echo Usage: $0 file.java

exit 1

fi

if [ -e "$1" ]

then

javac "$1" && java -ea `echo $1 | sed s/\.java//` && rm `echo $1 | sed s/\.java/\.class/`

exit 0

else

echo File \""$1"\" does not exist.

exit 2

fi