help re recording/replaying (i.e. automating) HTTP interactions to a web-site???

Hi,

Actually can anyone recommend a good technique / software / plugin that would assist if I wanted to effectively (a) record my interaction with my bank at the HTTP level, then (b) use this to automate that behavior in my RoR application to automate pulling down daily account details?

The best I can think of at the moment is: (a) Firefox Live HTTP Headers plugin then (b) manually write Ruby code that sends these out and waits for the response & check it before proceeding to the next http request. I’m thinking someone probably has a better way, or plugin, to handle at least part (b)?

Tks

(bump) would still love to get some advise on this...