1 files changed, 8 insertions, 0 deletions
diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..abcc879
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,8 @@
+rm -f {1,2,3,4}.rb
+ruby q.rb > 1.rb
+ruby 1.rb > 2.rb
+ruby 2.rb > 3.rb
+ruby 3.rb > 4.rb
+
+diff 1.rb 3.rb || echo err
+diff 2.rb 4.rb || echo err