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Jay Fields

Posts: 765
Nickname: jayfields
Registered: Sep, 2006

Jay Fields is a software developer for ThoughtWorks
String#singularize Posted: Nov 5, 2007 6:02 AM
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Documentation
The reverse of pluralize, returns the singular form of a word in a string.

Examples
  • "posts".singularize #=> "post"
  • "octopi".singularize #=> "octopus"
  • "sheep".singluarize #=> "sheep"
  • "word".singluarize #=> "word"
  • "the blue mailmen".singularize #=> "the blue mailman"
  • "CamelOctopi".singularize #=> "CamelOctopus"
Usage
I generally use singularize when metaprogrammming to convert from a potentially plural version of a class name to something that I know can be constantized.

Test

require 'rubygems'
require 'active_support'
require 'test/unit'
require 'dust'

unit_tests do
test "change plural word to singular word" do
assert_equal "class_name", "class_names".singularize
end
end

Read: String#singularize

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