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susam/detect-line-number-change.el

Created June 18, 2023 11:38
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detect-line-number-change.el
(defvar previous-line-number nil)
(defun detect-line-number-change ()
(let ((current-line-number (line-number-at-pos)))
(when (and previous-line-number (/= current-line-number previous-line-number))
(message "%d => %d" previous-line-number current-line-number))
(setq previous-line-number current-line-number)))
(add-hook 'post-command-hook 'detect-line-number-change)
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