#!/usr/bin/expect

#exp_internal 1
log_user 1
set timeout 20

set _user_ [lindex $argv 0]

spawn iperf3 -c localhost --rsa-public-key-path public.pem -t3 --username $_user_
#puts "\$expect_out(buffer)"

expect -re "Password: "
send -- "whats_good\r"
expect