gistfile1.txt

#!/usr/bin/env bash
# check a list of gsuite emails

if [[ $# -eq 0 ]]; then
	echo 'Give me a list of emails!'
	exit 1
fi

email_list="$1"

for email_address in $(cat $email_list); do
	status=$(curl -s -o /dev/null -w "%{http_code}" "https://calendar.google.com/calendar/htmlembed?src=$email_address" 2> /dev/null )
	if [ "$status" = 200 ]; then
		printf "%s" "$email_address"
		printf "\n"
		else
		 :
		fi
done < "$email_list"