use open qw( :std :utf8 );
use re '/msx';
-our $VERSION = '1.08';
+our $VERSION = '1.09';
my %opt;
if (@ARGV) {
},
'human-readable|H!',
'sexagesimal!',
+ 'reformat!',
'interval|t:i',
'trim|length|l=s' => sub {
my ($optname, $optval) = @_;
$opt{units} = [split //, ' kMGTPEZYyzafpn'.($opt{ascii} ? 'u' : 'μ').'m']
if $opt{'human-readable'};
$opt{anchor} //= qr/\A/;
-$opt{'value-length'} = 6 if $opt{units};
+$opt{'value-length'} = 4 if $opt{units};
$opt{'value-length'} = 1 if $opt{unmodified};
$opt{'signal-stat'} //= exists $SIG{INFO} ? 'INFO' : 'QUIT';
$opt{markers} //= '=avg >31.73v <68.27v +50v |0';
$opt{input} = (@ARGV && $ARGV[0] =~ m/\A[-0-9]/) ? \@ARGV : undef
and undef $opt{interval};
-$opt{'sum-format'} = sub { sprintf '%.8g', $_[0] };
$opt{'calc-format'} = sub { sprintf '%*.*f', 0, 2, $_[0] };
$opt{'value-format'} = $opt{sexagesimal} ? sub {
my $s = abs($_[0]) + .5;
$#{$opt{units}} * 1.5 < abs $unit ? sprintf('e%d', $unit) :
$opt{units}->[$unit/3] # suffix
);
-};
+} and $opt{reformat}++;
+$opt{'value-format'} ||= sub { sprintf '%.8g', $_[0] };
my (@lines, @values, @order);
and $. % $opt{interval} == 0;
}
-if ($opt{'zero-missing'}) {
- push @values, (0) x 10;
-}
-
$SIG{INT} = 'DEFAULT';
sub color {
return sum(@order) / @order;
}
elsif ($func =~ /\A([0-9.]+)v\z/) {
- die "Invalid marker $char: percentile $1 out of bounds\n" if $1 > 100;
+ $1 <= 100 or die(
+ "Invalid marker $char: percentile $1 out of bounds\n"
+ );
my $index = $#order * $1 / 100;
return ($order[$index] + $order[$index + .5]) / 2;
}
print $indicator if defined $indicator;
if (length $val) {
- $val = $opt{'value-format'} ? $opt{'value-format'}->($val) :
- sprintf "%*s", $lenval, $val;
+ $val = sprintf("%*s", $lenval,
+ $opt{reformat} ? $opt{'value-format'}->($val) : $val
+ );
color($color) for $val;
}
my $line = $lines[$nr] =~ s/\n/$val/r;
$linemin += @lines;
$linemax = @lines - $linemax;
}
- printf '%.8g of ', $opt{'sum-format'}->(
+ printf '%.8g of ', $opt{'value-format'}->(
sum(grep {length} @values[$linemin .. $linemax]) // 0
);
}
if (@order) {
my $total = sum @order;
- printf '%s total', color(1) . $opt{'sum-format'}->($total) . color(0);
+ printf '%s total', color(1) . $opt{'value-format'}->($total) . color(0);
printf ' in %d values', scalar @order;
printf ' over %d lines', scalar @lines if @order != @lines;
printf(' (%s min, %s avg, %s max)',
- color(31) . ($opt{'value-format'} || sub {$_[0]})->($order[-1]) . color(0),
- color(36) . ($opt{'value-format'} || $opt{'calc-format'})->($total / @order) . color(0),
- color(32) . ($opt{'value-format'} || sub {$_[0]})->($order[0]) . color(0),
+ color(31) . ($opt{reformat} ? $opt{'value-format'} : sub {$_[0]})->($order[-1]) . color(0),
+ color(36) . ($opt{reformat} ? $opt{'value-format'} : $opt{'calc-format'})->($total / @order) . color(0),
+ color(32) . ($opt{reformat} ? $opt{'value-format'} : sub {$_[0]})->($order[0]) . color(0),
);
}
say '';
=item -w, --width=<columns>
Override the maximum number of columns to use.
-Appended graphics will extend to fill up the entire screen.
+Appended graphics will extend to fill up the entire screen,
+otherwise determined by the environment variable I<COLUMNS>
+or by running the C<tput> command.
=item -h, --usage
cat httpd/access.log | cut -d\ -f4 | cut -d: -f1 | uniq -c | barcat
-Any kind of database query with counts, preserving returned alignment:
+Any kind of database query results, preserving returned alignment:
- echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' |
+ echo 'SELECT sin(value * .1) FROM generate_series(0, 30) value' |
psql -t | barcat -u
-In PostgreSQL from within the client:
+In PostgreSQL from within the client; a fancy C<\dt+> perhaps:
+
+ > SELECT schemaname, relname, pg_total_relation_size(relid)
+ FROM pg_statio_user_tables ORDER BY idx_blks_hit
+ \g |barcat -uHf+
+
+Same thing in SQLite (requires the sqlite3 client):
- > SELECT sin(generate_series(0, 3, .1)) \g |barcat
+ > .once |barcat -Hf+
+ > SELECT name, sum(pgsize) FROM dbstat GROUP BY 1;
Earthquakes worldwide magnitude 1+ in the last 24 hours:
curl https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/1.0_day.csv |
- column -tns, | barcat -f4 -u -l80%
+ column -ts, -n | barcat -f4 -u -l80%
External datasets, like movies per year:
Population and other information for all countries:
curl http://download.geonames.org/export/dump/countryInfo.txt |
- grep -v '^#\s' | column -tns$'\t' | barcat -f+2 -u -l150 -s
+ grep -v '^#\s' | column -ts$'\t' -n | barcat -f+2 -u -l150 -s
And of course various Git statistics, such commit count by year: