Short answer : No.
Longer answer :you may find some code obfuscation scripts, or use PAR or similar tools to package your scripts and make them not directly "human readable". However it's useless, because it will be very easy to break.
Don't be fooled by java .class packages too : they aren't at all secure, and there are a large number of "reverse-compilers" to make source code from java bytecode. If you want to "protect" your code (what for? from who?) use pure compiled languages : C, C++, Pascal...