[erlang-questions] Working with dates.

Michael McDaniel <>
Mon Jul 16 03:40:45 CEST 2007


On Sun, Jul 15, 2007 at 06:39:18PM -0500, Julio César Carrascal Urquijo (MCTS) wrote:
> Hi,
> 
> Two quick questions on functionality that I couldn't find on the documentation:
> 
> 1) Are there functions in OTP to convert unix timestamp <--> the tuple
> format used in Erlang?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 ()174> Seconds = os:cmd("../c/time").
 "1184549721"
 ()175> {Days, Time} = calendar:seconds_to_daystime( list_to_integer(Seconds) ).
 {13710,{1,35,21}}
 ()176> Date = calendar:gregorian_days_to_date( Days ).
 {37,7,15}
 ()177> calendar:datetime_to_gregorian_seconds( {Date, Time} ).
 1184549721
 ()178> 

~Michael

> 2) Are there functions for adding dates in this format?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  could add seconds and convert...

~Michael

> 
> Thanks
> 
> -- 
> Julio César Carrascal Urquijo
> Microsoft Certified Technology Specialist
> http://jcesar.3stecnoinformatica.com/
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> 

-- 
Michael McDaniel
Portland, Oregon, USA
http://autosys.us
+1 503 283 5284



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