diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb')
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb new file mode 100644 index 00000000..7f1018f6 --- /dev/null +++ b/puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb @@ -0,0 +1,27 @@ +# +# reverse.rb +# + +module Puppet::Parser::Functions + newfunction(:reverse, :type => :rvalue, :doc => <<-EOS +Reverses the order of a string or array. + EOS + ) do |arguments| + + raise(Puppet::ParseError, "reverse(): 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, 'reverse(): Requires either ' + + 'array or string to work with') + end + + result = value.reverse + + return result + end +end + +# vim: set ts=2 sw=2 et : |