Generate an MFA TOTP token. Secret keys are stored in your ~/.mfa directory

mfa

#!/usr/bin/env bash
#
# Generate an MFA TOTP token. Secret keys are stored in your ~/.mfa directory
# 
# Requires oathtool: http://www.nongnu.org/oath-toolkit/man-oathtool.html
# 
# Example: I might have the following...
# $ cat ~/.mfa/aws.mfa
# ASDLJGJ893AS7JJF83NLSD9RTSMF81NSLA85SNSA81MASNFHG75KAKSKJV0192F7
# 
# ...and then running like so would produce something like:
# $ mfa aws
# 789102
# 
oathtool --base32 --totp "$(cat ~/.mfa/"$1".mfa)