From 3f164ff5099ca9b9cb28b800cb7b228242e79b7a Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Wed, 4 Sep 2019 16:22:04 +0200
Subject: [PATCH] indicate mean value in bar position

Better visual, and accurate in case of split middle.
---
 graph | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/graph b/graph
index 40eccb1..2de4b90 100755
--- a/graph
+++ b/graph
@@ -12,17 +12,19 @@ my @order  = sort { $b <=> $a } @values;
 my $lenval = 1 + int log($order[0]) / log 10;  # max string length
 my $len    = 1 + max map { length } @lines;  # left padding
 my $size   = ($width - $lenval - $len) / $order[0];  # bar multiplication
+my $mean   = ($order[$#order / 2] + $order[$#order / 2 + .5]) / 2;
 
 for my $nr (0 .. $#lines) {
 	my $val = $values[$nr];
 	my $color =
 		$val == $order[0] ? 32 : # max
 		$val == $order[-1] ? 31 : # min
-		$val == $order[$#order >> 1] ? 1 : # median
 		90;
 	printf "\e[%sm", $color if $color;
 	printf "%*s", $lenval, $val;
 	print "\e[0m" if $color;
 	printf '%-*s', $len, $lines[$nr];
-	say '-' x ($val * $size);
+	my $bar = '-' x ($val * $size);
+	substr $bar, int($mean * $size) - 1, 1, "\e[36m+\e[0m" if $val >= $mean;
+	say $bar;
 }
-- 
2.30.0