instead of directly using $_

The term "directly" is not quite correct here, because it suggests that $_ is used in any case.

$_ will not be set if you write while( my $line = <$lfh> ).

In my opinion, using $_ is not really elegant. It's a global variable and it will be visible to called subroutines even if you localize it. Well, in perl 5.10 you can avoid this my using my $_. But unlike with named variables, you won't get any errors from strict if you forget to my the variable.

In reply to Re: Which way is recommended ? by betterworld
in thread Which way is recommended ? by matrixmadhan

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