Mine
#!/bin/sh
cmdline="$0"
symlink="`find "$cmdline" -printf "%l"`"
if [ $symlink ]; then
cmdline="$symlink"
fi
cd `dirname "$cmdline"`
if [ $JAVA_HOME ]; then
$JAVA_HOME/bin/java -Djava.library.path=lib -jar dbgl.jar
else
/usr/bin/java -Djava.library.path=lib -jar dbgl.jar
fi