# File lib/rake/ext/string.rb, line 59 def pathmap_replace(patterns, &block) result = self patterns.split(";").each do |pair| pattern, replacement = pair.split(",") pattern = Regexp.new(pattern) if replacement == "*" && block_given? result = result.sub(pattern, &block) elsif replacement result = result.sub(pattern, replacement) else result = result.sub(pattern, "") end end result end