$num = sprintf "%8g", $num;
Almost. shell$> perldoc -f sprintf reveals this little snippet: 
  # Format number with up to 8 leading zeroes
  $result = sprintf("%08d", $number);

[download]
Change the "d" to a "g" (which you had), and you'll be there. You'll probably find you want to do the SigFig rounding first, then format it for display with the sprintf.
cheers
davis
Is this going out live?
No, Homer, very few cartoons are broadcast live - it's a terrible strain on the animator's wrist

In reply to Re: Re: Re: Rounding to a Given Number of Significant Figures Rather Than Decimal Places by davis
in thread Rounding to a Given Number of Significant Figures Rather Than Decimal Places by Clem

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