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Re^3: How come undef eq '' ??

by muba (Priest)
on Jan 31, 2013 at 01:30 UTC ( [id://1016191]=note: print w/replies, xml ) Need Help??

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  1. or download this
    my $previous = undef;
while (my $line = <$filehandle>) {
...
    ...; # process $line
    $previous = $line;
}

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