send metrics from external file, zabbix_sender

cat ~/info
student-01 persons 4
trainer persons 34
student-07 persons 345
student-03 persons 221
zabbix_sender -z 127.0.0.1 -i ~/info

Or item keys with spaces:

cd
cat another
trap "trap[all together]" "message one"
trap "trap[one for me]" "message two"
trap "trap[one for you]" "message three"
zabbix_sender -z 127.0.0.1 -i another