A friend of mine, just tossed me this link.. http://ideone.com/
What makes Ideone different from any other pastebin is its compiler feature; Supporting about 20 programing language, you will be able to live compile (of course with some limitations) your code.
Let’s find out the perl version running on that server
[sourcecode language=“c”] print $]; [/sourcecode]
[sourcecode language=“c”] result: success time: 0s memory: 3248 kB signal: 0 input: no output: