#
# A thin wrapper around the ruby gsub function.
# 
#  gsub($string, $pattern, $replacement)
#
# will replace all occurrences of $pattern in $string with $replacement.
# $string can be either a single value or an array. In the latter case, each
# element of the array will be processed in turn.
#
module Puppet::Parser::Functions
	newfunction(:gsub, :type => :rvalue) do |args|
		if args[0].is_a?(Array)
			args[0].collect do |val|
				val.gsub(/#{args[1]}/, args[2])
			end
		else
			args[0].gsub(/#{args[1]}/, args[2])
		end
	end
end