# File lib/rudy/utils.rb, line 251
251:     def write_to_file(filename, content, mode, chmod=600)
252:       mode = (mode == :append) ? 'a' : 'w'
253:       f = File.open(filename,mode)
254:       f.puts content
255:       f.close
256:       return unless Rudy.sysinfo.os == :unix
257:       raise "Provided chmod is not a Fixnum (#{chmod})" unless chmod.is_a?(Fixnum)
258:       File.chmod(chmod, filename)
259:     end