elisp - emacs call-interactively and key simulation -


i want write small function saves cursor's current position, mark whole buffer, indents , goes previous cursor position. understand there might easier way achieve same result i'd understand how these principles work in elisp.

here's tried :

(defun indent-whole-buffer () (interactive)                                                                                                                                                                             (call-interactively 'point-to-register)                                                                                                                                                                         (call-interactively (kbd "ret"))                                                                                                                                                                                      (mark-whole-buffer)                                                                                                                                                                                                   (call-interactively 'indent-region)                                                                                                                                                                                   (call-interactively 'jump-to-register)                                                                                                                                                                                (call-interactively (kbd "ret"))                                                                                                                                                                                    )

the blocking point here (call-interactively (kbd "ret")) how can simulate ret key, if doing

m-x point-to-register ret

just use save-excursion. that's it's for. saves point , mark , buffer current, , restores them you.

(and if did decide roll own, , did decide in way planned, call functions need directly - no need use call-interactively. use c-h f see how each function called. example (point-to-register ?a) captures point in register a, , (indent-region (point-min) (point-max)) indents whole buffer.)


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