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Re^3: Change decimal point temporarily

by fod (Friar)
on Aug 02, 2010 at 22:53 UTC ( #852563=note: print w/ replies, xml ) Need Help??


in reply to Re^2: Change decimal point temporarily
in thread Change decimal point temporarily

Or... I suppose if we have a digit either size of a '.' then it's probably a number with a decimal point:

$s = "123.45"; $s =~ s/(?<=\d)\.(?=\d)/,/;
ALthough... I don't quite understand what you're trying to do - surely if you're parsing a CSV file containing numbers with decimal points you'd rather they weren't commas?


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Re^4: Change decimal point temporarily
by lima1 (Curate) on Aug 02, 2010 at 23:06 UTC
    The motivation is a feature for the module described in RFC: Text::CSV::R. It is an option to set the decimal point. In Germany for example, it is common for CSV files to use a comma as decimal point and a semicolon as field separator.

    So I guess a locale approach would be the performance-wise fastest solution. But setting the locale to an arbitrary locale which uses a comma (de_DE, fr_Fr,...) just to change this single parameter seems like hack.

      I consider using a comma instead of a decimal like that to be a hack in and of itself ... so, when in Rome. ;)


      jeffa

      L-LL-L--L-LL-L--L-LL-L--
      -R--R-RR-R--R-RR-R--R-RR
      B--B--B--B--B--B--B--B--
      H---H---H---H---H---H---
      (the triplet paradiddle with high-hat)
      

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