(TimeDate) package for parsing dates and fall back to using Date::Manip
if Date::Parse isn't available -- Date::Manip is more commonly available,
but is written solely in perl and is more general-purpose and heavyweight
than Date::Parse.
The DateTime package (datetime.perl.org) doesn't suffice as it it
either uses Date::Manip internally and DateTime::Format::Strptime also
isn't commonly available. Given that our regex for identifying dates
in syslog is pretty static; POSIX::strptime (implementing strptime(3))
functionality would probably be the best way to go -- except that perl's
POSIX doesn't include strptime and POSIX::strptime is another not commonly
available package. Sigh.
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