launch-emurators.sh

#!/bin/bash

NUM=$1

if [[ ! "$NUM" =~ ^[0-9]+$ ]] || [ "$NUM" -le 0 ]; then
	echo "Usage: launch-emurators.sh <num>"
	exit
fi

EMULATOR_PIDS=""

shift 1
for i in $(seq 1 $NUM);do
	$ANDROID_HOME/emulator/emulator -avd Nexus_5X_API_27 -read-only $@ &
	EMULATOR_PIDS="$! $EMULATOR_PIDS"
done

echo $EMULATOR_PIDS
trap 'echo "killing $EMULATOR_PIDS";kill $EMULATOR_PIDS;' INT
wait -n "$EMULATOR_PIDS"