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Re: Re: Find Comma in a string

by jsprat (Curate)
on Jun 25, 2003 at 18:02 UTC ( #268935=note: print w/replies, xml ) Need Help??


in reply to Re: Find Comma in a string
in thread Find Comma in a string

++tomte for a good answer.

I'd change the example a little. The quoting style used makes this one-liner hard to read - it forces backlashes where they aren't expected. With a *nix shell, single quotes won't force you to escape the dollar signs, ie:

$> perl -e '$pos = 0;print ($pos . " ") while(($pos = index("joe,is,at,home", ",", $pos+1)) != -1);' 3 6 9

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[shmem]: hmm.. which makes emerge the question: is there a way to attach a subroutine to a variable, which is run as soon as that variable changes?
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