TwoDtUtil.ex

#Two small, quick date utility functions. Convert a wxDateTime (from wxErlang) to a YYYYMMDD string. NB: assumes year is post 1000 CE.
defp wxDatetime_to_string({{year,month,day},{_hour,_minute,_second}}), do: "#{year}#{zero_padding(month,2)}#{zero_padding(day,2)}"

#Pad a string out with a specified number of leading zeroes. 
defp zero_padding(string,len), do: String.rjust(to_string(string), len, ?0)