A simple oathtool wrapper to generate second factor TOTP token stored in a gpg encrypted file

totp.sh

#!/usr/bin/env bash
if [ -z $1 ]; then
  echo
  echo "Usage:"
  echo "  ./totp.sh service"
  echo
  echo "Configuration: $HOME/.totpkeys.gpg"
  echo "File encoded with gpg"
  echo "Format: service=key"
  exit
fi
OTPKEY=$(gpg --decrypt $HOME/.totpkeys.gpg| sed -n "s/${1}=//p")
if [ -z "$OTPKEY" ]; then
  echo "$(basename $0): Bad Service Name '$1'"
  $0
  exit
fi
TIME=$(date +"%T")
echo -n "Code for $1 at $TIME : "
oathtool --totp -b "$OTPKEY"