I want to list all filetypes Vim recognizes from its runtimepath.

For example:

ada
arc
c
clojure
common-lisp
elisp
go
python

How can I do it?

up vote 17 down vote accepted

If you need those for a custom command that takes filetype arguments, you can just use :command -complete=filetype. Else, you can derive the list via the globpath() function yourself:

echo join(map(split(globpath(&rtp, 'ftplugin/*.vim'), '\n'), 'fnamemodify(v:val, ":t:r")'), "\n")

This gets all ftplugin scripts from the runtimepath, and then modifies the filespec via fnamemodify() to only list the root of the filename. split() converts into a List, and join() back to lines for :echoing.

  • Does this take files from ftplugin/after, too? – Profpatsch Oct 24 '13 at 7:47
  • 2
    You mean after/ftplugin, and yes, because those are contained in &rtp. – Ingo Karkat Oct 24 '13 at 8:23
  • This gives a syntax error on both bash and zsh. – mareoraft Jun 24 '15 at 13:59
  • 2
    @mareoraft: Try this inside Vim, not in the shell! – Ingo Karkat Jun 24 '15 at 20:19
  • @IngoKarkat zoinks! works great, thanks! – mareoraft Jun 25 '15 at 3:45

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