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Re: Re: FMTYEWTK about split //

by Roger (Parson)
on Jan 21, 2004 at 14:25 UTC ( #322891=note: print w/ replies, xml ) Need Help??

in reply to Re: FMTYEWTK about split //
in thread FMTYEWTK about split //

you can't do this with split, can you?

Sure can.

for (split //, $string) { print "$_\n"; }

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Re: Re: Re: FMTYEWTK about split //
by ambrus (Abbot) on Jan 21, 2004 at 14:41 UTC
    I thought that for (split //, $string) { would cost a lot of memory if $string is long, but now I'm not sure.

      It will cost a lot of memory. Fortunately, $string is rarely large. And if it is large, the regex-iterator solution will probably be slow. You'll probably be better off with a substr solution on large strings.

      I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
      -- Schemer

      : () { :|:& };:

      Note: All code is untested, unless otherwise stated

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