#!/bin/bash

if [ -f ~/JUDO/com/dunncom/judo/JUDOApp.java ]  # if it's there
then 
  cd ~/JUDO  
  java com.dunncom.judo.JUDOIDE                 # Run it
else                                            # If not
  cd 
  tar -zxvf /usr/local/judo.tgz                 # install it
  cd ~/JUDO 
  java com.dunncom.judo.JUDOIDE                 # Then start it
fi 

cd -                                            # And go back