From 830c882f06b0d1bab48afad4a49ee875782312e1 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Tue, 27 Dec 2022 19:22:28 +0900
Subject: [PATCH] mruby-io/io.rb (IO.read): should not allow path starting "|"

It was made obsolete long time ago.
---
 mrbgems/mruby-io/mrblib/io.rb | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/mrbgems/mruby-io/mrblib/io.rb b/mrbgems/mruby-io/mrblib/io.rb
index d6e0032f6..20ae8d993 100644
--- a/mrbgems/mruby-io/mrblib/io.rb
+++ b/mrbgems/mruby-io/mrblib/io.rb
@@ -64,12 +64,8 @@ class IO
     fd = -1
     io = nil
     begin
-      if path[0] == "|"
-        io = IO.popen(path[1..-1], mode)
-      else
-        fd = IO.sysopen(path, mode)
-        io = IO.open(fd, mode)
-      end
+      fd = IO.sysopen(path, mode)
+      io = IO.open(fd, mode)
       io.seek(offset) if offset > 0
       str = io.read(length)
     ensure