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-rw-r--r-- | count.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/count.rb b/count.rb new file mode 100644 index 0000000..c4a5977 --- /dev/null +++ b/count.rb @@ -0,0 +1,30 @@ +# +# count.rb +# + +# TODO(Krzysztof Wilczynski): We need to add support for regular expression ... + +module Puppet::Parser::Functions + newfunction(:count, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + # Technically we support two arguments but only first is mandatory ... + raise(Puppet::ParseError, "count(): 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, 'count(): Requires an array to work with') + end + + item = arguments[1] if arguments[1] + + result = item ? array.count(item) : array.count + + return result + end +end + +# vim: set ts=2 sw=2 et : |