How to undo fill-paragraph in emacs?

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傲寒
傲寒 2021-02-13 09:40

I have a text file that is pretty long. Any easy way to \"undo\" a M-q (fill-paragraph) on a file that was written and saved a while ago?

For example, I wan

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  • 2021-02-13 09:59

    You can set fill-columnn to a really large number, and fill.

    C-u 10000 C-x f M-x fill-individual-paragraphs
    

    Or you can use a little custom function:

    (defun refill-paragraphs-to-be-one-line ()
      "fill individual paragraphs with large fill column"
      (interactive)
      (let ((fill-column 100000))
        (fill-individual-paragraphs (point-min) (point-max))))
    
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  • 2021-02-13 10:09

    Use the following from my .emacs:

    (defun unfill-paragraph ()
      (interactive)
      (let ((fill-column (point-max)))
        (fill-paragraph nil)))
    
    (defun unfill-region ()
      (interactive)
      (let ((fill-column (point-max)))
        (fill-region (region-beginning) (region-end) nil)))
    

    I can't take credit, I googled this years ago.

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