Re: Adding String to Beginning of Lines

[Christopher Dimech]

The update is still giving me trouble though. Could be a problem with passing 
the arguments
to rec-field-nwltok

I have the following

(defun rec-field-nwltok (beg end nwltok)
   (interactive
      (list (region-beginning)
            (region-end)
            (read-string "rec-field-nwltok: " nil nil ";; + ")))
   (replace-regexp "^" nwltok nil beg end) )

(add-hook 'emacs-lisp-mode-hook
   (defun myrec-field-nwltok ()
      (define-key emacs-lisp-mode-map (kbd "H-z") #'rec-field-nwltok)))



> Sent: Tuesday, November 10, 2020 at 7:03 PM
> From: "Michael Heerdegen" <michael_heerdegen@web.de>
> To: help-gnu-emacs@gnu.org
> Subject: Re: Adding String to Beginning of Lines
>
> Christopher Dimech <dimech@gmx.com> writes:
>
> > Have tried to add a keybinding for the function, but after pressing
> > the keyseq, I am getting "H-z is undefined".
> >
> > (define-key emacs-lisp-mode-hook (kbd "H-z") 'rec-field-nwltok)
>
> Yeah, because it's, ehm, nonsense.
>
> You want to bind your key in a keymap, and do that in the hook, e.g.
>
> (add-hook 'emacs-lisp-mode-hook
>           (defun my-emacs-lisp-mode-hook-fun ()
>             (define-key emacs-lisp-mode-map (kbd "H-z") #'rec-field-nwltok)))
>
> Hooks contain functions.  I use to use named functions because lambdas
> cannot be identified should you reload your piece of code and thus get
> added multiple times.  If you don't care (i.e. if you know for sure you
> don't reload your init file) a lambda also works.
>
>
> Regards,
>
> Michael.
>
>
>