BundleClean cleans up unused scripts

- removes unused directories

README.md

@@ -9,6 +9,7 @@
 - install configured scripts (aka bundle) 
 - manage runtime path of your installed scripts so you don't have to
 - search [all available vim scripts] by name
+- clean up from unused scripts
 
 [Vundle] takes advantage of [vim-scripts.org](http://vim-scripts.org) 
 in order to install/search [all available vim scripts]
@@ -50,7 +51,7 @@ in order to install/search [all available vim scripts]
 
     :BundleSearch foo
 
-will split new window with results:
+lists search results in new split window, ie:
 
     Bundle "VimFootnotes"
     Bundle "foo.vim"
@@ -59,10 +60,16 @@ so you can just copy ones you need to <code>.vimrc</code>.
 
     :BundleSearch! foo
 
-will refresh scripts list before doing search.
+refreshes script list before performing actual search.
 
 Searching requires [<code>curl</code>](http://curl.haxx.se/)
 
+## Cleaning up
+
+    :BundleClean
+
+removes unused script dirs from your `.vim/bundle`
+
 ## Examples
 
    See [gmarik's vimrc](https://github.com/gmarik/vimfiles/blob/1f4f26d42f54443f1158e0009746a56b9a28b053/vimrc#L136) for working example.

autoload/vundle.vim

@@ -6,6 +6,7 @@
 
 com! -nargs=+       Bundle                call vundle#config#bundle(<args>)
 com! -nargs=? -bang BundleInstall         call vundle#installer#install("<bang>")
+com! -nargs=?       BundleClean           call vundle#installer#clean()
 com! -nargs=0       BundleDocs            call vundle#installer#helptags()
 
 com! -nargs=+ -bang BundleSearch  silent  call vundle#scripts#search("<bang>", <q-args>)

autoload/vundle/installer.vim

@@ -42,6 +42,13 @@ func! s:install(bang, bundle)
   if synced | call vundle#config#require(a:bundle) | endif
 endf
 
+func! vundle#installer#clean()
+  let bundle_dirs = map(copy(g:bundles), 'v:val.path()') 
+  let all_dirs = split(globpath(g:bundle_dir, '*'), "\n")
+  let x_dirs = filter(all_dirs, '0 > index(bundle_dirs, v:val)')
+  for d in x_dirs | exec '!rm -rf "'.escape(d,'"').'"' | endfor
+endf
+
 " TODO: make it pause after output in console mode
 func! s:log(msg)
   if has('gui_running')