Bash function for completion of serial lines for Gnu screen

screen-serial.bash

function scu() {
    local fn=$1
    shift
    echo opening /dev/cu."$fn" "$@"...
    screen /dev/cu."${fn// / }" "$@" ; stty sane
}
function _scu() {
    local cur="${COMP_WORDS[COMP_CWORD]}"
    case "$cur" in
        [0-9]*)
            local v="4800 9600 19200 38400 57600 115200 230400" ;;
        *)
            local v=$(cd /dev/; find -x  cu.*  -type c -depth 0 | sed s/...// | sed 's/ / /g')
    esac
    COMPREPLY=( $(compgen -W "$v" -- $cur) )
}
complete -F _scu scu