signal-batch.sh

#!/usr/bin/env sh

if [ "$1" != "" ]; then

	sBatchList=""
	sBatchMessage="$3"

	while IFS=, read col1 col2
	do
		sBatchList="$sBatchList $col1"
	done < $2

	echo sending batch message to: $sBatchList
	sh ./signal-cli -u "$1" send -m "$sBatchMessage" $sBatchList

else
	echo \\nThis script requires \"Signal Command Line Interface\"
	echo More info @ https://github.com/AsamK/signal-cli 
	echo Downloads @ https://github.com/AsamK/signal-cli/releases
	echo Once downloaded and installed, please place this script in the "bin" directory\\n
	echo usage: ./signal-batch yourSignalNumber yourBatchList \"Your message goes here!\"
	echo example: ./signal-batch +12125551212 mygrouplist.txt \"This is the broadcast message you requested!\"\\n
fi