#First import all the files
for i in *.ovpn; do nmcli connection import file "$i" type openvpn; done

#Now save the script below on some location:




#!/bin/bash

# Changes password-flags from 1 to 0
sed -i 's/password-flags=1/password-flags=0/g' $1

# Adds in a username entry after reneg-seconds
sed -i '/reneg-seconds=0/a username=USERNAME_HERE' $1

# Adds in password into the config file after [vpn-secrets]
sed -i '/service-type=/a\
\
[vpn-secrets]' $1
sed -i '/\[vpn-secrets]/a password=PASSWORD_HERE' $1






#Now go to /etc/NetworkManager/system-connections

for i in "*"; do <script location> "$i"; done