select_adb_device.sh

#!/usr/bin/env bash
set -e

ROOT=`realpath $(dirname "$BASH_SOURCE")`
cd ${ROOT}
cd ..

devices=($(adb devices | awk '{if($2=="device") print $1}'))
if [ ${#devices[@]} == 0 ]; then
    echo "No device found."
    exit 1
fi

echo "Devices:"
for i in "${!devices[@]}"; do
    echo $i  ${devices[$i]}
done

read -p "Select a device[0]:" device_id
if [ -z $device_id ]; then
    device_id=0
fi

device=${devices[$device_id]}
if [ -z $device ]; then
    echo "Invalid input"
    exit 1
fi
echo "Selected device " $device