Hi,
I'm trying to add transparent compression to s3sync. I've reached something, in the attachment there is a modified s3sync.rb with bzip2 compression and decompression.
It work in this way: when you upload a file to s3, s3sync bzip it and upload, when you download a file to s3, s3sync bunzip it for you automatically.

The program now lack command line options (bzip2 is allways on) and other improvments, if someone is interested I can continue developing it.

Bye