Website Submission / Scraping

Looking for someone familiar with Perl and WWW::Mechanize preferably i am however open to other programming languages being used. i need a script / program to go to a pre defined website enter a string of digits click next wait for what the response is based on what it is log that response. functions: * Must read from file .txt is okay as its one number of 9 digits per line or i can do .csv * Must have some form of throttle control i.e how many submissions per minute etc * Must have an Output file in .csv form 9digitnumber,result * Must have the option of using Socks 4/5 * Must be able to define userstring i.e the data of information sent to webserver about the visiting browsers I.e developer version etc. Please do not BID unless you have clear understanding about the above functions