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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Date-manipulation/REXX/date-manipulation.rexx Normal file
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/*REXX program adds 12 hours to a given date and time, displaying the before and after.*/
aDate = 'March 7 2009 7:30pm EST' /*the original or base date to be used.*/
parse var aDate mon dd yyyy hhmm tz . /*obtain the various parts and pieces. */
mins = time('M', hhmm, "C") /*get the number minutes past midnight.*/
mins = mins + (12*60) /*add twelve hours to the timestamp.*/
nMins = mins // 1440 /*compute number min into same/next day*/
days = mins % 1440 /*compute number of days added to dats.*/
aBdays = date('B', dd left(mon,3) yyyy) /*number of base days since REXX epoch.*/
nBdays = aBdays + days /*now, add the number of days added. */
nDate = date(,nBdays, 'B') /*calculate the new date (maybe). */
nTime = time('C', nMins, "M") /* " " " time " */
say aDate ' + 12 hours ───► ' ndate ntime tz /*display the new timestamp to console.*/
/*stick a fork in it, we're all done. */