Enable auth & capture (saleonly) for various payment gateways for Shopp

shopp_purchase_order_authorizenet_processing.php

<?php
//* Do NOT include the opening php tag

//* Enable auth and capture for Authorizenet for Shopp
add_filter('shopp_purchase_order_authorizenet_processing',create_function('','return "sale";'));

shopp_purchase_order_firstdata_processing.php

<?php
//* Do NOT include the opening php tag

//* Enable auth and capture for First Data for Shopp
add_filter('shopp_purchase_order_firstdata_processing',create_function('','return "sale";'));

shopp_purchase_order_intuitmerchantservice_processing.php

<?php
//* Do NOT include the opening php tag

//* Enable auth and capture for Intuit Merchant Service for Shopp
add_filter('shopp_purchase_order_intuitmerchantservice_processing',create_function('','return "sale";'));

shopp_purchase_order_paypalpro_processing.php

<?php
//* Do NOT include the opening php tag

//* Enable auth and capture for PayPal Pro for Shopp
add_filter('shopp_purchase_order_paypalpro_processing',create_function('','return "sale";'));

shopp_purchase_order_stripe_processing.php

<?php
//* Do NOT include the opening php tag

//* Enable auth and capture for Stripe for Shopp
add_filter('shopp_purchase_order_stripe_processing',create_function('','return "sale";'));

References:

http://shopp101.com/blog/how-to-set-shopp-to-capture-payments/