diff --git a/bin/mksh b/bin/mksh
new file mode 100755
index 0000000..968b7ac
--- /dev/null
+++ b/bin/mksh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+fname="$1"
+
+mkdir -p "$(dirname "${fname}")"
+touch "${fname}"
+chmod +x "${fname}"
+
+cat > "${fname}" <<SH
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SH
+
+exec "$EDITOR" "${fname}"