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Diffstat (limited to 'lib/puppet/parser/functions/unique.rb')
-rw-r--r-- | lib/puppet/parser/functions/unique.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/unique.rb b/lib/puppet/parser/functions/unique.rb new file mode 100644 index 0000000..a922c94 --- /dev/null +++ b/lib/puppet/parser/functions/unique.rb @@ -0,0 +1,34 @@ +# +# unique.rb +# + +module Puppet::Parser::Functions + newfunction(:unique, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "unique(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + value = arguments[0] + klass = value.class + + unless [Array, String].include?(klass) + raise(Puppet::ParseError, 'unique(): Requires either ' + + 'array or string to work with') + end + + result = value.clone + + string = value.is_a?(String) ? true : false + + # We turn any string value into an array to be able to shuffle ... + result = string ? result.split('') : result + result = result.uniq # Remove duplicates ... + result = string ? result.join : result + + return result + end +end + +# vim: set ts=2 sw=2 et : |