5 module Puppet::Parser::Functions
6 newfunction(:unique, :type => :rvalue, :doc => <<-EOS
7 This function will remove duplicates from strings and arrays.
17 You can also use this with arrays:
19 unique(["a","a","b","b","c","c"])
27 raise(Puppet::ParseError, "unique(): Wrong number of arguments " +
28 "given (#{arguments.size} for 1)") if arguments.size < 1
33 unless [Array, String].include?(klass)
34 raise(Puppet::ParseError, 'unique(): Requires either ' +
35 'array or string to work with')
40 string = value.is_a?(String) ? true : false
42 # We turn any string value into an array to be able to shuffle ...
43 result = string ? result.split('') : result
44 result = result.uniq # Remove duplicates ...
45 result = string ? result.join : result
51 # vim: set ts=2 sw=2 et :