diff options
-rw-r--r-- | reverse.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/reverse.rb b/reverse.rb new file mode 100644 index 0000000..49ea80a --- /dev/null +++ b/reverse.rb @@ -0,0 +1,25 @@ +# +# reverse.rb +# + +module Puppet::Parser::Functions + newfunction(:reverse, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "reverse(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + array = arguments[0] + + if not array.is_a?(Array) + raise(Puppet::ParseError, 'reverse(): Requires an array to work with') + end + + result = array.reverse + + return result + end +end + +# vim: set ts=2 sw=2 et : |