<hppavilion[1]> learn zed is the 26th letter of the alphabet in Commonwealth English. Why they consider what is clearly a 3-letter string to be a single letter is unclear.

#! /bin/bash
[[ $# > 0 ]] || { echo "Run what?"; exit 1; }
ci="$1"
echo -n "${ci#*!}" | { /hackenv/interps/egobf/src/egobfi8 <(echo -n "${ci%%!*}") ; }