Given a parameter, let's call it "today" in the form of this string "20060517",
how do I create a variable, let's call it "tMinus1" such that it represents a
day earlier than "20060517", that would be "20060516". So long as "$today"
isn't the first day of a month, a simple subtraction and followed by a type
cast that I don't grasp would do the trick.
What I'm looking for is guidance on date arithmetic.
Thanks.
--
Charles Knell
cknell(_at_)onebox(_dot_)com - email
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