diff --git a/badcase/subshellvar2 b/badcase/subshellvar2
new file mode 100644
index 0000000..9c4d0da
--- /dev/null
+++ b/badcase/subshellvar2
@@ -0,0 +1,7 @@
+for f in *
+do
+  echo "Processing: $f"
+done | tee log
+
+echo "Done. Last processed was $f."
+
diff --git a/goodcase/subshellvar b/goodcase/subshellvar
new file mode 100644
index 0000000..f4d7a7b
--- /dev/null
+++ b/goodcase/subshellvar
@@ -0,0 +1,3 @@
+( a=3; )
+a=4;
+echo "$a"