add Kernel#open

91100398 · Akira Yumiyama · 5a425f59 · 91100398
Commit 91100398 authored Apr 02, 2013 by Akira Yumiyama
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mrblib/kernel.rb mrblib/kernel.rb +11 -0

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--- a/mrblib/kernel.rb
+++ b/mrblib/kernel.rb
+module Kernel
+  def open(file, *rest)
+    raise ArgumentError unless file.is_a?(String)
+
+    if file[0] == "|"
+      IO.popen(file[1..-1], *rest)
+    else
+      File.open(file, *rest)
+    end
+  end
+end