--- a/bin/mk	Sat May 29 01:37:10 2021 +0000
+++ b/bin/mk	Sat May 29 01:37:12 2021 +0000
@@ -1,1 +1,2 @@
+#!/bin/bash
 [[ "$1" == ?*//* ]] || { echo usage: "mk[x]" file//contents >&2; exit 1; }; key="${1%%//*}"; value="${1#*//}"; echo "$value" > "$(echo-p "$key")" && echo "$key"
\ No newline at end of file