Read the documentation closer. Nearly all of the examples are performed from the context of some sort of unix shell. If you intend to distribute your script using this you'll need to provide separate versions for each of the odd dozen current different builds of libc and glibc and then each of the operating systems you'd like to allow your script to be run on...

This is why this stuff typically is distributed as source - because it is really, really difficult to get binary executables that work on computers that aren't identical to yours.