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Re: A Perl Success Story

by derby (Abbot)
on Apr 28, 2006 at 12:12 UTC ( #546250=note: print w/ replies, xml ) Need Help??

in reply to A Perl Success Story

Very nice ... are you able to quantify the cost savings of using the perl-based conversion versus a full manual conversion? That would be something to see!


Comment on Re: A Perl Success Story
Re^2: A Perl Success Story
by TedYoung (Deacon) on Apr 28, 2006 at 12:41 UTC

    It would be nice if I could. In all, we converted over 100K LOC over three applications, with a minimal amount of hand coding. Where we really saved time was in short term bug support. Had we redisigned everything by hand, surely, we would have had many many more bugs. An off the cuff guess would be on the order of 6 months to do it by hand, instead of just over a week with the conversion.

    Ted Young

    ($$<<$$=>$$<=>$$<=$$>>$$) always returns 1. :-)

      There's nothing wrong with off-the-cuff guesses and if I had to put a dollar figure on your savings, it would be something like this:

      • a month is 4 weeks
      • a week is 40 hours
      • assume one engineer
      • assume $100 labor rate
      • cost for six months - 96,000 (6*4*40*1*100)
      • cost for one week - 4,000 (40*1*100)
      • savings - 92,000 (96,000 - 4,000)

      To me, these are the types of numbers you take to management not only to show the ROI on perl (and maybe convince them to send a bit of that savings to the Perl Foundation) but more importantly to show the ROI on you (and maybe convince them to spend a bit of that savings on you).


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