minor code cleanup for human formatting

diff --git a/barcat b/barcat
index 40f332d980ed308a3b41b45a161a662e5af63bf9..00a21739671c0a4d00df95517912299cdd472757 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -56,7 +56,7 @@ GetOptions(\%opt,
 $opt{width} ||= $ENV{COLUMNS} || 80;
 $opt{color} //= -t *STDOUT;  # enable on tty
 $opt{trim}   *= $opt{width} / 100 if $opt{trimpct};
-$opt{units}   = $opt{'human-readable'} && ['', qw( k M G T P E Z Y y z a f p n μ m )];
+$opt{units}   = [split //, ' kMGTPEZYyzafpnμm'] if $opt{'human-readable'};
 $opt{anchor} //= qr/\A/;
 $opt{'value-length'} = 6 if $opt{units};
 
@@ -136,7 +136,7 @@ sub sival {
        sprintf('%*.*f%*s',
                $float ? 5 : 3, $float,  # length and tenths
                $_[0] / 1000 ** $unit,   # number
-               $float ? 1 : 3,          # unit size
+               $float ? 0 : 3,          # unit size
                $#{$opt{units}} >> 1 < abs $unit ? "e$unit" : $opt{units}->[$unit]
        );
 }