module Puppet::Parser::Functions
    newfunction(:sprintf, :type => :rvalue,
        :doc => "Perform printf-style formatting of text.

                         The first parameter is format string describing how the rest of the parameters should be formatted.  See the documentation for the ``Kernel::sprintf()`` function in Ruby for all the details.") do |args|
        if args.length < 1
            raise Puppet::ParseError, 'sprintf() needs at least one argument'
        end
        fmt = args.shift()
        return sprintf(fmt, *args)
    end
end