Base62 monkeypatches Integer to add an Integer#base62_encode instance method to encode an integer in the character set of 0-9 + A-Z + a-z. It also monkeypatches String to add String#base62_decode to take the string and turn it back into a valid integer.
sudo gem install base62
Saadiq Rodgers-King (github.com/saadiq) for making it work with Ruby 1.9
(The MIT License)
Copyright © 2008 JT Zemp & Thrive Information Solutions
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