looking for scraping

Its good to know at least one of these languages:

Ruby on Rails
PHP
Javascript
Pyton

And some other things:

how to use GIT
knowing of DOM structure of HTML
XML
CSV
RSS
converting form XLS to XML etc.
basics of RegEx

Preparation ->

FireBug addon for FireFox or Chrome console
Working Ruby framework on the machine
“Ruby in Twenty Minutes” http://www.ruby-lang.org/en/documentation/quickstart/
GitHub.com account w/ valid SSH key
https://help.github.com/articles/generating-ssh-keys#platform-windows:
knowing of Nokogiri
http://nokogiri.org/tutorials
http://railscasts.com/episodes/190-screen-scraping-with-nokogiri
https://www.engineyard.com/blog/2010/getting-started-with-nokogiri/
knowing of Hpricot
http://hpricot.com/demonstrations