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Re: Range Issue with RegEx

by VSarkiss (Monsignor)
on Jul 10, 2006 at 15:59 UTC ( #560173=note: print w/replies, xml ) Need Help??

in reply to Range Issue with RegEx

As above, I'd recommend using number equality instead of regular expressions if that's what you really mean. The range operator and grep are handy for this, like in this (untested) snippet:

while (<DATA>){ chomp; $tag = $_; if (grep {$tag == $_} 500..503,531,532) { print "$tag\n"; } }
(Remember that the $_ in the grep expression is not the same as the $_ in the while loop. More info at grep.)

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[1nickt]: marioroy Yes, I am using it with MCE, as is Discipulus I believe. I was trying to work out how to make a cpanfile that would be smart enough to know which deps to require.
[1nickt]: See this code. (I expected to simply eval loading threads as a check, but weirdness happened with Perlbrew so it's a grep of -V ...)
[choroba]: Config might be better than grepping -V
[Corion]: Also see Config::V, which is less of that hackery, or that hackery hidden in a module ;)
[1nickt]: The problem was with Perlbrew
[Corion]: Whoops - Config::Perl::V

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