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Couple of pieces of advice:

  • Stop parsing delimited strings by hand. You can use Text::CSV
  • even for something with a different separator as the perldoc says, "The module accepts either strings or files as input and can utilize any user-specified characters as delimiters, separators, and escapes so it is perhaps better called ASV (anything separated values) rather than just CSV.'
  • Try perldoc -q switch instead of those if statements.
  • For your question, provided you have an ordered set of times, I would quantize them to multiples of five and then aggregate them in a hash. For instance:
    linux~> perl -e 'my @quant = (); my @times = qw|12 14 21 27 30|; sub r +ound{while (@_[0]%5 != 0){@_[0]++}; return @_[0]}; for(@times){print +round($_), qq|\n|};'

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In reply to Re: How to calculate values based on date / time stamp? by InfiniteSilence
in thread How to calculate values based on date / time stamp? by dukea2006

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