<oerjan> le/rn newbie of the month//Newbie of the Month is a traditional #esoteric position. Benefits include gentle mentoring, like having shachaf revert all your wisdom additions.

[[ "$1" == ?*//* ]] || { echo 'usage: sled file//script'; exit 1; }; key="${1%%//*}"; value="${1#*//}"; [[ -f "$key" ]] || { echo 'Rosebud!'; exit 1; }; sed -i "$value" "$key" ;