rc/sh/unscreen

#!/usr/bin/env zsh

unscreen() {
    local pids="$(screen -ls | fgrep "$1" | cut -d. -f1)"
    for pid in $=pids; do
        local ppid="$(ps h --ppid "$pid" -o pid)"
        kill $=ppid || return 1
    done
    return 0
}

unscreen "$@"