#700788 by greg.1.anderson. Too verbose 'command could not be found' msg

drush.php

@@ -104,15 +104,14 @@ function drush_main() {
   if (!$command_found) {
     // If we reach this point, we have not found either a valid or matching command.
     $args = implode(' ', drush_get_arguments());
-    $drush_command = array_pop(explode('/', DRUSH_COMMAND));
     if (isset($command) && is_array($command)) {
       foreach ($command['bootstrap_errors'] as $key => $error) {
         drush_set_error($key, $error);
       }
-      drush_set_error('DRUSH_COMMAND_NOT_EXECUTABLE', dt("The command '!drush_command !args' could not be executed.", array('!drush_command' => $drush_command, '!args' => $args)));
+      drush_set_error('DRUSH_COMMAND_NOT_EXECUTABLE', dt("The drush command '!args' could not be executed.", array('!args' => $args)));
     }
     elseif (!empty($args)) {
-      drush_set_error('DRUSH_COMMAND_NOT_FOUND', dt("The command '!drush_command !args' could not be found.", array('!drush_command' => $drush_command, '!args' => $args)));
+      drush_set_error('DRUSH_COMMAND_NOT_FOUND', dt("The drush command '!args' could not be found.", array('!args' => $args)));
     }
     else {
       // This can occur if we get an error during _drush_bootstrap_drush_validate();