'color|c!',
'C' => sub { $opt{color} = 0 },
'field|f=s',
+ 'human-readable|H!',
'interval|t:i',
'trim|length|l=s' => sub {
my ($optname, $optval) = @_;
$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 <> n μ m )];
if (defined $opt{interval}) {
$opt{interval} ||= 1;
$val == $order[0] ? 32 : # max
$val == $order[-1] ? 31 : # min
90;
+ $val = sprintf "%3.1f%1s", $val / 1000**$_, $opt{units}->[$_]
+ for $opt{units} ? int(log($val) / log(1000)) : ();
$val = sprintf "%*s", $lenval, $val;
$val = "\e[${color}m$val\e[0m" if $color;
}
or capture the numbers itself,
for example I<-f'(\d+)'> for the first digits anywhere.
+=item -H, --human-readable
+
+Format values using SI unit prefixes,
+turning long numbers like I<12356789> into I<12.4M>.
+
=item -t, --interval[=<seconds>]
Interval time to output partial progress.
curl http://api.worldbank.org/v2/country/1W/indicator/SP.POP.TOTL |
xmllint --xpath '//*[local-name()="date" or local-name()="value"]' - |
- sed -r 's,</wb:value>,\n,g; s,(<[^>]+>)+, ,g' | barcat -f1
+ sed -r 's,</wb:value>,\n,g; s,(<[^>]+>)+, ,g' | barcat -f1 -H
Movies per year from prepared JSON data: