diff --git a/bash/whitespace.sh b/bash/whitespace.sh
new file mode 100644
index 0000000..4db2de7
--- /dev/null
+++ b/bash/whitespace.sh
@@ -0,0 +1,16 @@
+command_not_found_handle() {
+  if [[ $2 != =* ]]; then
+    printf '%s: %s: command not found\n' "$0" "$1" >&2
+  fi
+}
+
+make_assign() {
+  local name equal value
+  read -r name equal value <<< "$BASH_COMMAND"
+
+  if [[ $equal = =* ]]; then
+    declare -g "$name$equal$value"
+  fi
+}
+
+trap make_assign DEBUG