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... printf "%8s:\t%s %2d\n", $bit, "-" x $data{$bit}, $data{$bit}; ...
... my $marks = "-" x int( ( $data{ $bit } / MAXDATA ) * 50.0 ); my $blanks = " " x ( 50 - $data ); printf "%8s:\t%s%s %2d\n", $bit, $marks, $blanks, $data{ $bit };