Web site synch/publishing/via proxy tool – any ideas?

Hi,

Question – Anyone know of a tool that does this? (or something close to it)…or else http/web libraries that might be a good start to building this if nothing exists? (or even a non-ruby tool if you know of it)?

Requirements
* Sync specific intranet web pages specified to an online (external) site
* Specific pages in the form of URLs (e.g. latest team contact details)
* Program periodically checks for new/changed content and then downloads content (that page & direct images etc) to an external site
* Has proxy settings (host, port, username, password) to access Internet (from a work location) to synch out
* re where/how it stores this, and whether protected/open, I’ll leave this open – would be preferable to require credentials to access via internet (when not at the work location)

Thanks

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