data scraping

This project is for a script to scrape data from a public website. DO NOT BID UNLESS YOU HAVE DONE THESE TYPES OF PROJECTS BEFORE!!! The script: 1. must work on Redhat Linux via command line, but otherwise can be written in the language of your choice. You must provide any package/installation requirements to run the script successfully 2. must a) crawl and copy the visited pages from the site first b) then parse & harvest html for required data (I will provide the required data) c) output data into a comma separated file 3. must use multi-threading to be able to download/crawl the pages in parallel with a configurable multi-threads attribute Crawler should be able to mask its identity to prevent blocking. Required scraped data must be extracted from either of the two websites: [login to view URL] [login to view URL] The following data needs to be scraped from either of the above websites in an efficient way: - Job Category (this data becomes visible, once you click "Browse all titles" link - Location - Title - Base Pay: 25th percentile, Median, 75th Percentile - Job description - Bonuses