Of course it is not useful. It was hobby project. You can tell by reading the last remarks on that site:
Is it safe?
Of course not! I hacked this together over one night, and without any real knowledge of the language. I suppose the code is utterly horrible.
Btw, you should probably delete all .cbl files after final compilation.
And no one serious would choose a name like that, would he?
However: I like to look into old languages too, it is just interesting how things where and how they evolved. This is a nice example for an utterly useless, but interesting project.
