diff --git a/sh/lint/python.sh b/sh/lint/python.sh
index ab3a735..6f4cef2 100644
--- a/sh/lint/python.sh
+++ b/sh/lint/python.sh
@@ -3,8 +3,11 @@ rwx_python_lint() {
 	local path="${1}"
 	# check pydoc
 	rwx_log "pydoc"
-	pydoclint "${path}"
+	rwx_pydoclint "${path}"
 	# check typing
 	rwx_log "mypy"
-	mypy "${path}"
+	rwx_mypy "${path}"
+	# ruff
+	rwx_log "ruff"
+	rwx_ruff "${path}"
 }
diff --git a/sh/lint/ruff.sh b/sh/lint/ruff.sh
new file mode 100644
index 0000000..89757f2
--- /dev/null
+++ b/sh/lint/ruff.sh
@@ -0,0 +1,13 @@
+rwx_ruff() {
+	local path="${1}"
+	rwx_ruff_format \
+		"${path}"
+}
+
+rwx_ruff_format() {
+	local path="${1}"
+	ruff format \
+		--diff \
+		--line-length 80 \
+		"${path}"
+}