added command to uninstall plugin

bin/noblogs.in

@@ -81,6 +81,9 @@ Known commands:
   rename-plugins BLOG
       Disables old plugins and enables new ones, when there has been a change in names.
 
+  uninstall-plugin PLUGIN BLOG
+      Runs unistall action for PLUGIN.
+
 <?php
   exit(1);
 }
@@ -539,6 +542,31 @@ function do_rename_plugins($args){
     }
 }
 
+
+function do_rename_plugins($args){
+    include_once(NOBLOGS_ROOT . '/wp-admin/includes/plugin.php');
+    $plugin = array_shift($args);
+    if (!$plugin) {
+        echo "Not enough arguments\n";
+        help();
+    }
+
+    foreach ($args as $arg) {
+        $blog = noblogs_get_blog($arg);
+        if (!$blog) {
+            echo "{$arg}: blog not found.\n";
+            continue;
+        }
+        switch_to_blog($blog->blog_id);
+
+        $plugin_dir = NOBLOGS_ROOT . '/wp-content/plugins/';
+        if (is_plugin_active( $plugin )){
+            deactivate_plugins($plugin_dir . $plugin, false, false);
+        }
+        restore_current_blog();
+    }
+}
+
 // Command-line parsing.
 $cmd = $argv[1];
 if (!$cmd) {