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