Emacs: 1 Key to Copy/Paste from Register

By Xah Lee. Date: . Last updated: .

Here's a command that lets you copy/paste text to register 1.

(defun xah-copy-to-register-1 ()
  "Copy current line or text selection to register 1.
See also: `xah-paste-from-register-1', `copy-to-register'.

URL `http://xahlee.info/emacs/emacs/elisp_copy-paste_register_1.html'
Version 2017-01-23"
  (let ($p1 $p2)
    (if (region-active-p)
        (progn (setq $p1 (region-beginning))
               (setq $p2 (region-end)))
      (progn (setq $p1 (line-beginning-position))
             (setq $p2 (line-end-position))))
    (copy-to-register ?1 $p1 $p2)
    (message "Copied to register 1: 「%s」." (buffer-substring-no-properties $p1 $p2))))

Here's paste from register 1:

(defun xah-paste-from-register-1 ()
  "Paste text from register 1.
See also: `xah-copy-to-register-1', `insert-register'.
URL `http://xahlee.info/emacs/emacs/elisp_copy-paste_register_1.html'
Version 2015-12-08"
  (when (use-region-p)
    (delete-region (region-beginning) (region-end)))
  (insert-register ?1 t))

You should give them a easy key, such as Alt+3 Alt+4. [see Emacs: How to Define Keys]

Why the commands?

When you call {copy-to-register, insert-register}, each time you have to tell it which register to use. Rather annoying. [see Emacs: Copy to Register]

Most of the time all you need is 1 register.

The single key commands xah-copy-to-register-1 and xah-paste-from-register-1 by-pass the asking and just use register 1.

This saves you 2 key strokes and a brain cycle.

Copy Append to Register

Emacs: Copy Append Text

Emacs Copy/Paste

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