1 files changed, 24 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/reverse.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/reverse.rb
new file mode 100644
index 0000000..ea911ec
--- /dev/null
+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/reverse.rb
@@ -0,0 +1,24 @@
+#
+# reverse.rb
+#
+module Puppet::Parser::Functions
+  newfunction(:reverse, :type => :rvalue, :doc => <<-DOC
+    Reverses the order of a string or array.
+    DOC
+             ) do |arguments|
+
+    raise(Puppet::ParseError, "reverse(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
+
+    value = arguments[0]
+
+    unless value.is_a?(Array) || value.is_a?(String)
+      raise(Puppet::ParseError, 'reverse(): Requires either array or string to work with')
+    end
+
+    result = value.reverse
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :