#!/usr/bin/env sh err() { printf %b "$1" | dmenu -c -l 10 exit } modem_n() { MODEMS="$(mmcli -L)" echo "$MODEMS" | grep -oE 'Modem\/([0-9]+)' > /dev/null || err "Couldn't find modem - is your modem enabled?" echo "$MODEMS" | grep -oE 'Modem\/([0-9]+)' | cut -d'/' -f2 } sxmo_terminal.sh sh -c "mmcli -m $(modem_n) && read"