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Re: How do we copy rectangular selected region

From: Budi
Subject: Re: How do we copy rectangular selected region
Date: Tue, 7 May 2019 13:27:02 +0700

Michael, I am sorry, I did mail the amended question but someone still
got the obsolete one.
The rectangle selected region question is replaced with " symbol's
function definition is void : t " error problem as calling a function

the copy into clipboard function is meant to save to kill-ring with or
without a selected region, if it exist then save that region otherwise
make up a full line region and save that
but got symbol's function definition is void : t  error above

(defun copy (b e)
  (interactive "r")
  (if (use-region-p) (call-interactively 'kill-ring-save)
  (push-mark (line-end-position))
  (call-interactively 'kill-ring-save)
(global-set-key (kbd "C-c") 'copy)

invaluable thanks to anyone help me out.

On 5/6/19, Michael Heerdegen <address@hidden> wrote:
> Budi <address@hidden> writes:
>> How can we copy  rectangular selected region on latest emacs
>> we paste it as line region instead
>> how do such by script elisp.. thanks in advance
> Dunno if I understand correctly.  What I sometimes want is that a yanked
> rectangle moves the text after the insertion point completely after the
> inserted rectangle text, instead of merging the rectangle into the text.
> I do it like following.  Maybe I'm missing something and it can be done
> with Emacs ways, dunno.
> Anyway, the code modifies the command 'yank-rectangle' to get the
> alternative insertion behavior by calling it with a prefix arg.
> #+begin_src emacs-lisp
> (defun my-insert-rectangle-with-newlines (rectangle)
>   "Like `insert-rectangle', but (insert ?\\n) is used to change lines."
>   (let ((lines rectangle)
>       (insertcolumn (current-column))
>       (first t))
>     (push-mark)
>     (while lines
>       (or first
>         (progn
>           (insert ?\n)
>           (or (bolp) (insert ?\n))
>           (move-to-column insertcolumn t)))
>       (setq first nil)
>       (insert (car lines))
>       (setq lines (cdr lines)))
>     (save-excursion (insert ?\n))))
> (eval-when-compile (require 'rect))
> (defun my-yank-rectangle (&optional insert-newlines)
>   "The optional argument INSERT-NEWLINES specifies if
> `forward-line' or (insert ?\\n) is used to change lines.
> A value of nil means that `forward-line' will be used and text after
> point will occur beside the inserted rectangle. With any other value,
> newlines will be inserted instead, with the effect that any following
> text will remain after the inserted rectangle."
>   (interactive "*P")
>   (funcall (if insert-newlines
>              #'my-insert-rectangle-with-newlines
>            #'insert-rectangle)
>            killed-rectangle))
> (advice-add 'yank-rectangle :override #'my-yank-rectangle)
> #+end_src
> Michael.

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