diff --git a/sh/main.sh b/sh/main.sh
index e037089..bb7c2bc 100644
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -8,6 +8,17 @@ SH_MAIN="${SH_ROOT}/main.sh"
 
 [ -n "${ENV}" ] || export ENV="${SH_MAIN}"
 
+sh_source_check() {
+	local file=".shellcheck.sh"
+	find \
+	-type "f" \
+	-name "*.sh" \
+	-printf ". \"%P\"\n" \
+	>"${file}"
+	shellcheck "${file}"
+	rm "${file}"
+}
+
 _sh_main_commands() {
 	local file="${1}"
 	grep "()" "${file}" |