From 3754646b75bd80636107fcb77868b934acb3dd47 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 28 Nov 2018 15:52:15 +0900
Subject: [PATCH] Use VT100 sequence to erase previous line

---
 lib/rdoc/stats/normal.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rdoc/stats/normal.rb b/lib/rdoc/stats/normal.rb
index a3a6ff377e..41e6040452 100644
--- a/lib/rdoc/stats/normal.rb
+++ b/lib/rdoc/stats/normal.rb
@@ -42,7 +42,7 @@ def print_file files_so_far, filename
     if $stdout.tty?
       # Clean the line with whitespaces so that leftover output from the
       # previous line doesn't show up.
-      $stdout.print("\r" + (" " * @last_width) + ("\b" * @last_width) + "\r") if @last_width && @last_width > 0
+      $stdout.print("\r\e[K") if @last_width && @last_width > 0
       @last_width = line.size
       $stdout.print("#{line}\r")
     else