<oerjan> learn `edit <file> gives you a url, then in your browser: (1) Press Fetch (2) Make your changes (3) Press edit (4) Paste the command line at the top into the channel.

#!/bin/bash
/bin/sed "$@" && if [[ $# == "3" && "/$1" == "/-i" ]]; then echo -n "$3//"; cat "$3"; fi