Ruby formatting for ordinals: ‘1’ as ‘1st’, ‘2’ as ‘2nd’ etc

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The Ruby on Rails framework is chock full of interesting little nuggets. Ordinalize is a number extension that returns the corresponding ordinal number as a string. For instance, 1.ordinalize returns “1st” and 22.ordinalize return “22nd”.

Example:

place = 3
puts “You are currently in #{place.ordinalize} place.”

Result:

You are currently in 3rd place.