Don't init output in CLI mode

Fixes infinite recurssion on raise_error() call when executing scripts
out of the INSTALL_PATH. Also use 'rcube' if 'rcmail' is not needed.

bin/cleandb.sh

@@ -30,7 +30,7 @@ $primary_keys = array(
 );
 
 // connect to DB
-$RCMAIL = rcmail::get_instance();
+$RCMAIL = rcube::get_instance();
 $db = $RCMAIL->get_dbh();
 $db->db_connect('w');
 

bin/decrypt.sh

@@ -60,7 +60,7 @@ if ($argc < 2) {
 	die("Usage: " . basename($argv[0]) . " encrypted-hdr-part [encrypted-hdr-part ...]\n");
 }
 
-$RCMAIL = rcmail::get_instance();
+$RCMAIL = rcube::get_instance();
 
 for ($i = 1; $i < $argc; $i++) {
 	printf("%s\n", $RCMAIL->decrypt($argv[$i]));

bin/indexcontacts.sh

@@ -25,7 +25,7 @@ require_once INSTALL_PATH.'program/include/clisetup.php';
 ini_set('memory_limit', -1);
 
 // connect to DB
-$RCMAIL = rcmail::get_instance();
+$RCMAIL = rcube::get_instance();
 
 $db = $RCMAIL->get_dbh();
 $db->db_connect('w');

bin/moduserprefs.sh

@@ -47,7 +47,7 @@ $pref_name  = trim($args[0]);
 $pref_value = $args['delete'] ? null : trim($args[1]);
 
 // connect to DB
-$rcmail = rcmail::get_instance();
+$rcmail = rcube::get_instance();
 
 $db = $rcmail->get_dbh();
 $db->db_connect('w');

program/include/rcmail.php

@@ -116,11 +116,13 @@ class rcmail extends rcube
             $_SESSION['task'] = $this->task;
         }
 
-        // init output class
-        if (!empty($_REQUEST['_remote']))
+        // init output class (not in CLI mode)
+        if (!empty($_REQUEST['_remote'])) {
             $GLOBALS['OUTPUT'] = $this->json_init();
-        else
+        }
+        else if ($_SERVER['REMOTE_ADDR']) {
             $GLOBALS['OUTPUT'] = $this->load_gui(!empty($_REQUEST['_framed']));
+        }
 
         // load plugins
         $this->plugins->init($this, $this->task);