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wsio -- web stream input/output tool Dependencies: Ruby (dev version to compile extensions) and Rubygems Install: sudo gem install wsio Usage: wsio [options] [user[:pass]@][hostname][path] -l Listen to stream and print to STDOUT -s Use HTTPS -k Ignore SSL verification (like curl) By default, wsio listens to STDIN and does an HTTP POST for each line. This tool is similar to netcat in that it's intended to be used with STDIN and STDOUT, making it perfect for command pipelining. However, instead of direct point to point TCP/UDP connections, it uses HTTP. Coupled with a server that provides realtime pubsub over HTTP and you have one of the most magical tools ever. Here's a toy log aggregation example: Run this on one or several machines: tail -f /var/log/something | wsio somehost/log Run this on your central aggregator: wsio -l somehost/log > /var/log/aggregate Run this on your *laptop behind NAT* to watch the logs: wsio -l somehost/log Obviously there is a server-side component to this. It's not that complicated and there are some servers that already implement streams this way. For example, Twitter's Stream API: wsio -l <user>:<pass>@stream.twitter.com/1/statuses/sample.json However, wsio was made with a particular server-side component in mind. If you are interested in this, please email me.