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I want to implement a custom M-x (execute-extended-command). This time real skeleton-coding (crying)

(defun gbq-extended-command (inst) 
  (interactive "sgbq-X ")
  (cond ((equal inst "eob") (end-of-buffer)))
  ;; BODY of function
  )

in this function, I want completion instruction. for example, if call the function, like M-x, when I type eo, Completion from eo to eob. but I have no idea how.

  • Are you aware of the key sequences C-<end> and C-<begin>? If you want to have shortcuts for existing commands consider also defalias. – Tobias Mar 26 at 11:26
  • @Tobias Thanks for your Comment!! but, i want own 'M-x'. So wondering that implementation. but i dnt want reinventing the wheel T.T, Hmm, another way you know that rename from 'M-x' to 'gbq-X' as Text when call the M-x! – greenbxxkquote Mar 26 at 11:45
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Have you looked at the definition of execute-extended-command for inspiration (in simple.el, reachable via the link in C-h o execute-extended-command)?

In any case, to prompt the user in the minibuffer with completion, you want to use the completing-read function (about which you can read in the Elisp manual).

  • yaya!! in completing-read , i get try-completion! Thanks for your answer. my knowledge level up , 🍺 this is for you! – greenbxxkquote Mar 26 at 13:05

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