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While working on a small log monitoring utility, I encountered a few issues trying to convert datetime string appearing in a log entry to a valid localtime value such that localtime($logtime_in_seconds) would represent the exact time the log entry was made.
I've played with a number of Date:: modules to no avail. One particular module that I thought would help is Date::Manip. Here's the code snippet that demonstrates the problem (or shell I call it a 'bug'?):
This produces the following output:
Note the *** ERROR *** line. While the log date value is 15 (of May), the Date_SecsSince1970() method converts it to 14th (or, to be precise, it returns an invalid second count value by, apparently, missing a day). You may disregard the hour value as this may be related to time zone offset calculations (the $zsec variable).
Having played with this module for awhile, I now feel it may not be the right tool in this case. Has any of you come across similar issues? What would be the best module / approach to use?
"We've all heard that a million monkeys banging on a million typewriters will eventually reproduce
the entire works of Shakespeare. Now, thanks to the Internet, we know this is not true."
Robert Wilensky, University of California