diff --git a/entity_translation.admin.inc b/entity_translation.admin.inc
index 380560d..37c4c2e 100644
--- a/entity_translation.admin.inc
+++ b/entity_translation.admin.inc
@@ -426,7 +426,7 @@ function entity_translation_delete_confirm_submit($form, &$form_state) {
   $form_state['redirect'] = $handler->getTranslatePath();
 }
 
-/*
+/**
  * Confirm form for changing field translatability.
  */
 function entity_translation_translatable_form($form, &$form_state, $field_name) {
@@ -497,19 +497,26 @@ function entity_translation_translatable_form_submit($form, $form_state) {
     return;
   }
 
+  entity_translation_translatable_batch_setup(!$translatable, $field_name, $copy_all_languages);
+}
+
+/**
+ * Setup batch operation to convert field data to or from LANGUAGE_NONE.
+ */
+function entity_translation_translatable_batch_setup($translatable, $field_name, $copy_all_languages) {
   // If a field is untranslatable, it can have no data except under
   // LANGUAGE_NONE. Thus we need a field to be translatable before we convert
   // data to the entity language. Conversely we need to switch data back to
   // LANGUAGE_NONE before making a field untranslatable lest we lose
   // information.
   $operations = array(
-    array('entity_translation_translatable_batch', array(!$translatable, $field_name, $copy_all_languages)),
-    array('entity_translation_translatable_switch', array(!$translatable, $field_name)),
+    array('entity_translation_translatable_batch', array($translatable, $field_name, $copy_all_languages)),
+    array('entity_translation_translatable_switch', array($translatable, $field_name)),
   );
   $operations = $translatable ? $operations : array_reverse($operations);
 
   $t_args = array('%field' => $field_name);
-  $title = !$translatable ? t('Enabling translation for the %field field', $t_args) : t('Disabling translation for the %field field', $t_args);
+  $title = $translatable ? t('Enabling translation for the %field field', $t_args) : t('Disabling translation for the %field field', $t_args);
 
   $batch = array(
     'title' => $title,
@@ -521,7 +528,7 @@ function entity_translation_translatable_form_submit($form, $form_state) {
   batch_set($batch);
 }
 
-/*
+/**
  * Toggle translatability of the given field.
  *
  * This is called from a batch operation, but should only run once per field.
diff --git a/entity_translation.drush.inc b/entity_translation.drush.inc
new file mode 100644
index 0000000..c6a48f5
--- /dev/null
+++ b/entity_translation.drush.inc
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * @file
+ * entity_translation module drush integration.
+ */
+
+/**
+ * Implements hook_drush_command().
+ */
+function entity_translation_drush_command() {
+  $items = array();
+
+  $items['entity-translation-process-field-translation'] = array(
+    'description' => 'Process translation for the given field. This means copying over data from LANGUAGE_NONE to the available languages of the entity the field data is part of',
+    'arguments' => array(
+      'field_name' => 'The machine name of the field for which to enable field translation',
+    ),
+  );
+
+  return $items;
+}
+
+/**
+ * Process field translation
+ */
+function drush_entity_translation_process_field_translation($field_name) {
+  module_load_include('inc', 'entity_translation', 'entity_translation.admin');
+
+  // Configure the batch process
+  $translatable = 1;
+  $copy_all_languages = 1;
+  entity_translation_translatable_batch_setup($translatable, $field_name, $copy_all_languages);
+
+  // Because we are doing this on the back-end, we set progressive to false.
+  $batch =& batch_get();
+  $batch['progressive'] = FALSE;
+
+  // Run the batch process
+  drush_backend_batch_process();
+}