<oerjan> learn \xce\xbe\xcf\x80\xce\xb1\xce\xbb\xce\xb1\xce\xb9\xce\xbf\xce\xbb\xcf\x8c\xce\xb3\xce\xbf\xcf\x82 is kspalaiologos\'s Ancient Greek twin. He was banned from the theater for making up invalid characters.

#!/bin/bash
opts="${2--i}"
[[ "$1" == ?*//* ]] || { echo 'usage: sled file//script'; exit 1; }; key="${1%%//*}"; value="${1#*//}"; [[ -f "$key" ]] || { echo 'Rosebud!'; exit 1; }; sed $opts "$value" "$key" ;