diff --git a/sh/self.sh b/sh/self.sh
index dfbe203..4118d64 100644
--- a/sh/self.sh
+++ b/sh/self.sh
@@ -5,7 +5,7 @@ rwx_doc() {
 	local name="${1}"
 	[ -n "${name}" ] || return
 	local constant doc func line module
-	printf "%s\n" "${RWX_CODE}" | while IFS= read -r line; do
+	while IFS= read -r line; do
 		case "${line}" in
 			"#!"*) doc="" ;;
 			"#↓"*)
@@ -44,7 +44,9 @@ rwx_doc() {
 				fi
 				;;
 		esac
-	done
+	done <<EOF
+${RWX_CODE}
+EOF
 }
 
 # ╭──────┬───────╮