diff --git a/shell/main.sh b/shell/main.sh
index 37dfdfc..5fe13d8 100644
--- a/shell/main.sh
+++ b/shell/main.sh
@@ -2,7 +2,7 @@
 
 main_commands() {
 	local file="${1}"
-	grep "{\$" "${file}" |
+	grep "()" "${file}" |
 		cut --delimiter "(" --fields 1
 }