require "erb" template = File.read("lib/release-template.erb") version = ARGV[0] || "3.3.4" output_path = "en/news/_posts/#{Time.now.strftime("%Y-%m-%d")}-ruby-#{version.gsub(/\./, "-")}-released.md" File.open(output_path, "w") do |file| file.write ERB.new(template).result(binding) end