Hi all,
I wanted to share a tiny script which allows me to query google/finance/converter from the CLI.
It's not much of a scrapper really, but I couldn't come up with a better word to describe it. It does scrap! Really! :P
Check it here:
//https://github.com/conan-lugmen/newlisp-webscraps
I have two questions regarding my code:
1. Why unify requires uppercase tokens to be able to create symbols with bind? Or maybe my question is this one: Am I correctly using bind/unify? Is that the intended use?
2. I put a check to consider a get-url not giving back a proper answer. However on some runs I've noticed I get nil results like if my check was passed by. What am I doing wrong there?
Using uppercase letters for variables in unification, is a convention introduced from logic programming with the
See also here: //http://en.wikipedia.org/wiki/Unification_(computer_science)#Examples_of_syntactic_unification_of_first-order_terms
You are using
you could also use:
and in the last case your variables don't need to be in uppercase.
Thanks for this useful and small scraper.
Best wishes
Marc