adb+

#!/bin/bash
# Script adb+
# Run any command adb provides on all your currently connected devices,
# Or prompt to select one device

showHelp() {
	echo "Usage: adb+ [-a] <command>"
	echo "       -h: show help"
	echo "       -a: run command on all device"
	echo "  command: normal adb commands"
	echo
	echo "Examples:"
	echo "  adb+ -a install apidemo.apk"
	echo "  adb+ shell"
}

if [[ $1 = '-h' ]]; then
	showHelp
	exit
fi

DEVICES=()
while read line
do
	if [ ! "$line" = "" ] && [ `echo $line | awk '{print $2}'` = "device" ]
	then
		device=`echo $line | awk '{print $1 " - " $5} '`
		DEVICES+=("${device}")
	fi
done < <(adb devices -l)

#echo "${DEVICES[@]}"

if [[ ${#DEVICES[@]} -lt 2 ]]; then
	adb $@
	exit
fi

if [[ $1 = '-a' ]]; then
	shift
	for dev in "${DEVICES[@]}"
	do
		device=`echo $dev | awk '{print $1}'`
		adb -s $device $@
	done
	exit
fi

# select
PS3="Enter number to select: "
DEVICES+=('all')
select dev in "${DEVICES[@]}"
do
case "$dev" in
	'all')
		$0 -a $*
		break;;
	*)
		adb -s `echo $dev | awk '{print $1}'` $@
		break;;
esac
done

Can you add a license to the top of this file?