Data commit

Task/Date-manipulation/Ring/date-manipulation.ring

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+# Project : Date manipulation
+
+load "stdlib.ring"
+dateorigin = "March 7 2009 7:30pm EST"
+monthname = "January February March April May June July August September October November December"
+for i = 1 to 12
+     if dateorigin[1] = monthname[i]
+        monthnum = i
+     ok	
+next
+thedate = str2list(substr(dateorigin, " ", nl))
+t = thedate[4]	
+t1 = substr(t,"pm", "")
+t2 = substr(t1,":",".")
+t3 = number(t2)
+if right(t,2) = "pm"
+   t3 = t3+ 12
+ok
+ap = "pm"
+d = "07/03/2009"
+if t3 + 12 > 24
+  d = adddays("07/03/2009",1)
+  ap = "am"
+ok
+see "Original - " + dateorigin + nl
+see "Manipulated - " + d + " " + t1 + ap + nl