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Emacs 26.1. ido, smex

If I want to kill one buffer I use command C-x k

Here result: enter image description here

As result I can kill ONE desire buffer. But suppose I need to kill the next buffers:

build.gradle, approfile.json, cascade.update.txt

How I can do this quickly?

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    In ido, you can kill buffers from ido-switch-buffer (C-x b) by typing C-k while you have the desired buffer as the suggestion. – DoMiNeLa10 Nov 3 '18 at 17:15
  • It's very slow. I need by arrow to go to desire buffer and type C-k. What about if I need to delete 20 buffers with name suffix *.txt? – a_subscriber Nov 4 '18 at 8:29
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    You can narrow by typing the name of the buffer you want to switch to. – DoMiNeLa10 Nov 4 '18 at 14:51
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ido isn't designed for that; use the buffer list instead. C-x C-b opens a buffer containing a list of all buffers that are open. In this buffer you can use C-k to mark buffers to be deleted, then x to delete all marked buffers. Since it's a full buffer, you can also use C-s to search it.

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    I'd suggest using ibuffer for that, as it allows to mark buffers like you'd do in dired, for instance by their file names or modes. – DoMiNeLa10 Nov 4 '18 at 14:50

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