log_to_file.lua

-- Very simple file logger for lua 
-- local log = log_to_file('mylogfile.log')
-- log('my string')
local log_to_file = function(logfile)
  return function(log)
    local file = io.open(logfile, "a")
    if not file then return end

    file:write(log .. "\n")
    file:close()
  end
end