From 3492f52df92d428b31268b976ab288fbe7aef680 Mon Sep 17 00:00:00 2001
From: kojix2 <2xijok@gmail.com>
Date: Mon, 24 Aug 2020 14:43:32 +0900
Subject: [PATCH] Accept color numbers

---
 lib/uplot/command.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/uplot/command.rb b/lib/uplot/command.rb
index 1de91d8..e4022a8 100644
--- a/lib/uplot/command.rb
+++ b/lib/uplot/command.rb
@@ -85,7 +85,7 @@ module Uplot
           params.padding = v
         end
            .on('-c', '--color VAL', String) do |v|
-          params.color = v.to_sym
+          params.color = v =~ /\A[0-9]+\z/ ? v.to_i : v.to_sym
         end
            .on('-x', '--xlabel VAL', String) do |v|
           params.xlabel = v