1 files changed, 9 insertions, 2 deletions
diff --git a/sample/test.rb b/sample/test.rb
index 30a02dd24d..2c4f99f1e4 100644
--- a/sample/test.rb
+++ b/sample/test.rb
@@ -1208,9 +1208,16 @@ if (dir = File.dirname(File.dirname($0))) == '.'
 else
   dir << "/"
 end
+
+def valid_syntax?(code)
+  eval("BEGIN {return true}\n#{code}")
+rescue Exception
+ensure
+  false
+end
+
 for script in Dir["#{dir}{lib,sample,ext}/**/*.rb"]
-  `./miniruby -c #{script}`
-  unless $?
+  unless valid_syntax? IO::read(script)
     $bad = true
   end
 end