<oerjan> le/rn Hungry//Hungry is a country in Europe, formerly part of the Ostrich empire. It split after a famine that got so severe that they had to start editing disgusting things like bell peppers. Absurdly, this became a tradition that continues until the present day.

[[ "$1" == ?*//* ]] || { echo usage: "mk[x]" file//contents >&2; exit 1; }; key="${1%%//*}"; value="${1#*//}"; echo "$value" > "$(echo-p "$key")" && echo "$key"