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Diffstat (limited to 'lib/puppet/parser/functions/shuffle.rb')
| -rw-r--r-- | lib/puppet/parser/functions/shuffle.rb | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/lib/puppet/parser/functions/shuffle.rb b/lib/puppet/parser/functions/shuffle.rb deleted file mode 100644 index 30c663db..00000000 --- a/lib/puppet/parser/functions/shuffle.rb +++ /dev/null @@ -1,45 +0,0 @@ -# -# shuffle.rb -# - -module Puppet::Parser::Functions - newfunction(:shuffle, :type => :rvalue, :doc => <<-EOS -Randomizes the order of a string or array elements. - EOS - ) do |arguments| - - raise(Puppet::ParseError, "shuffle(): Wrong number of arguments " + - "given (#{arguments.size} for 1)") if arguments.size < 1 - - value = arguments[0] - - unless value.is_a?(Array) || value.is_a?(String) - raise(Puppet::ParseError, 'shuffle(): Requires either ' + - 'array or string to work with') - end - - result = value.clone - - string = value.is_a?(String) ? true : false - - # Check whether it makes sense to shuffle ... - return result if result.size <= 1 - - # We turn any string value into an array to be able to shuffle ... - result = string ? result.split('') : result - - elements = result.size - - # Simple implementation of Fisher–Yates in-place shuffle ... - elements.times do |i| - j = rand(elements - i) + i - result[j], result[i] = result[i], result[j] - end - - result = string ? result.join : result - - return result - end -end - -# vim: set ts=2 sw=2 et : |