如何使用R自动化对Web搜索表单的多个请求

I'm trying to learn how to use RCurl (or some other suitable R package if I'm wrong about RCurl being the right tool) to automate the process of submitting search terms to a web form and placing the search results in a data file. The specific problem I'm working on is as follows: I'm trying to learn how to use RCurl (or some o