One-jar

If you're getting this error from one-jar, make sure you declared your main method as static.

Exception in thread "main" java.lang.NullPointerException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.simontuffs.onejar.Boot.run(Boot.java:306)
at com.simontuffs.onejar.Boot.main(Boot.java:159)

Hack for generating a random number in a script without $RANDOM

let "rand = 0x`dd if=/dev/urandom bs=4 count=1 2> /dev/null| md5sum | sed 's/................ .*//'`"