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copied!<p>Since it is not allowed to affect the buffer list with a <code>:bufdo</code>-argument command (see <code>:help :bufdo</code>), we have to use more wordy yet fairly straightforward Vim script.</p> <p>The function below enumerates all existing buffer numbers and deletes those that do not have a name (displayed as <code>[No Name]</code> in the interface) and any unsaved changes. (The latter is guaranteed by the <code>:bdelete</code> command which, without the <code>!</code> sign, does not delete a modified buffer).</p> <pre><code>function! DeleteEmptyBuffers() let [i, n; empty] = [1, bufnr('$')] while i <= n if bufexists(i) && bufname(i) == '' call add(empty, i) endif let i += 1 endwhile if len(empty) > 0 exe 'bdelete' join(empty) endif endfunction </code></pre> <p>If you would like to delete empty buffers completely, including unloaded ones, consider (with care!) replacing <code>bdelete</code> with <code>bwipeout</code> (see <code>:help :bd</code>, <code>:help :bw</code>).</p> <p>To test the contents of a buffer to delete, use <code>getbufline()</code> function. For example, to be absolutely sure that buffer contains no text in it, modify the <code>if</code> statement inside the <code>while</code> loop as follows.</p> <pre><code>if bufloaded(i) && bufname(i) == '' && getbufline(i, 1, 2) == [''] </code></pre> <p>Note that <code>bufexists()</code> is changed to <code>bufloaded()</code> here. It is necessary because it is possible to get the contents only of those buffers that are loaded (for unloaded buffers <code>getbufline()</code> returns empty list regardless of their contents).</p>

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