service='api.sys.us-east.big.co'
username='adam.admin@big.co'

#get the password from the keychain
password=$(security find-generic-password -ga "$username" -w)

#if the security command does not run sucessfully, prompt
if [ $? -gt 0 ]; then
  echo "Please enter the password for '$username' on '$service': "
  echo -n "Password: "
  stty -echo
  read password
  stty echo
  security add-generic-password -U -a "$username" -s "$service" -w "$password"
fi

export CF_API="$service"
export CF_USER="$username"
export CF_PASS="$password"