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Re3: Pure Perl Internals (with Pure Perl Segfaults)

by blakem (Monsignor)
on Mar 18, 2004 at 06:50 UTC ( [id://337626]=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub is_integer { ~$_[0] !~ /\D/ }
  2. or download this
    #!/usr/bin/perl -wT
use strict;
...
}

sub is_integer { ~$_[0] !~ /\D/ }

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