LCMbot/telegrambot_whoallparser.sh

#!/bin/bash
## Alessandro De Gennaro, 2020-01-16
## Parse whoall output in machine-readable format for LCM Telegram bot.

NODELIST=$(<hostnames)
WHOALL_OUTPUT=$(whoall -fn)

for node in $NODELIST
do
	WHOALL_NODE_ITERATION=$(echo "$WHOALL_OUTPUT" | grep -w "$node")
	
	if [[ $WHOALL_NODE_ITERATION == Empty:* ]]; then
		echo $node
	else
		echo $WHOALL_NODE_ITERATION
	fi
done