>perl -MO=Concise -e"my $fh; readline($fh)" ... 6 <1> readline[t2] vK/1 ->7 5 <0> padsv[$fh:1,2] ->6 -e syntax OK >perl -MO=Concise -e"my $fh; <$fh>" ... 6 <1> readline[t2] vK*/1 ->7 5 <0> padsv[$fh:1,2] s ->6 -e syntax OK