include total, min, avg, max in stat details

diff --git a/barcat b/barcat
index aec811bc97dca30ae8052a07d9fa0ee29854e744..785df753eb73b8354f941ac6ae639afdeafa87de 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -92,6 +92,8 @@ while (readline) {
 
 $SIG{INT} = 'DEFAULT';
 
+my @order;
+
 sub show_lines {
 
 state $nr = $opt{hidemin} ? $opt{hidemin} - 1 : 0;
@@ -99,7 +101,7 @@ state $nr = $opt{hidemin} ? $opt{hidemin} - 1 : 0;
 @lines or return;
 @lines > $nr or return unless $opt{hidemin};
 
-my @order  = sort { $b <=> $a } grep { length } @values;
+@order  = sort { $b <=> $a } grep { length } @values;
 my $maxval = $opt{hidemax} ? max @values[0 .. $opt{hidemax} - 1] : $order[0];
 my $minval = min $order[-1], 0;
 my $lenval = $opt{'value-length'} // max map { length } @order;
@@ -169,7 +171,11 @@ while ($nr <= $#lines) {
 show_lines();
 
 if ($opt{stat}) {
-       printf '%d values', scalar @values;
+       my $total = sum @order;
+       printf '%s total', $total;
+       printf ' in %d values', scalar @values;
+       printf ' (%s min, %*.*f avg, %s max)',
+               $order[-1], 0, 2, $total / @order, $order[0];
        say '';
 }
 
@@ -346,9 +352,9 @@ Git statistics, such commit count by year:
 
     git log --pretty=%ci | cut -b-4 | uniq -c | barcat
 
-Or the most frequent authors:
+Or the top 3 most frequent authors with statistics over all:
 
-    git shortlog -sn | barcat -L3
+    git shortlog -sn | barcat -L3 -s
 
 Latency history: