A minor quibble with the way you generate timestamps (in the LocalTime subroutine).

• I don't like little subroutines that call print themselves. I prefer to return a string, and have the parent code call print. This lets you fold the call into a list of other things that are also passed to print. One of these days you'll want to fetch what LocalTime produces, but not have it print out anything. At that point you will be forced to either clone the code into a separate routine (and if you're smart you'll refactor the current routine in terms of that new routine), or else you'll have to pass an ugly mode param that tells the code whether it should print out or just return the string.
• Use the ISO date format.
• Call localtime once.

Putting it all together, you get something like:

  sub timestamp {
    sprintf '%4d-%02d-%02d:%02d:%02d:%02d',
      sub{ $_[5]+1900, $_[4]+1, @_[reverse 0..3] }->(localtime)
  }
[download]

Note that this string is not perfect as it does not encode the local time zone. That, of course, is left as an exercise to the reader.

--
g r i n d e r

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