Inspired from this tweet by Rob Pike, https://twitter.com/rob_pike/status/510944805292351489
Converts,
A quick brown fox jumps over the "lazy" dog!.
to
A q3k b3n f1x j3s o2r t1e "l2y" d1g.
http://play.golang.org/p/MWbO_-ps8U
$ go get github.com/boopathi/numberify$ cat MyText.txt | numberify
or
$ numberify < my_awesome_text.txt