MINI Sh3ll

#!/bin/bash

# SPDX-License-Identifier: CC0-1.0
# 2022 Leah Oswald <[email protected]>
#
# Queltec EM05-G FCC unlock mechanism
#

# require program name and at least 2 arguments
[ $# -lt 2 ] && exit 1

# first argument is DBus path, not needed here
shift

# second and next arguments are control port names
for PORT in "$@"; do
  # match port name
  echo "$PORT" | grep -q cdc-wdm && {
    CDC_WDM_PORT=$PORT
    break
  }
done

# fail if no cdc-wdm port exposed
[ -n "$CDC_WDM_PORT" ] || exit 2

# run mbimcli operation
mbimcli --device-open-proxy --device="/dev/$CDC_WDM_PORT" --quectel-set-radio-state=on
exit $?