diff --git a/pull.sh b/pull.sh
new file mode 100755
index 0000000..5473d06
--- /dev/null
+++ b/pull.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+git_pull() {
+    git pull
+}
+
+git_pull_submodule() {
+    git submodule update --recursive --remote
+    git submodule foreach git checkout main
+    git submodule foreach git pull origin main
+}
+
+git_pull
+git_pull_submodule
diff --git a/sub.sh b/sub.sh
deleted file mode 100755
index cd53b13..0000000
--- a/sub.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash
-
-git submodule update --recursive --remote
-
-git submodule foreach git checkout main
-
-git submodule foreach git pull origin main