“Reverting” the auto-fill in emacs

I wonder if there is a more elegant solution to this. I guess it could be wrapped up into a neat function that works on every paragraph marked/selected.

/home/edivad

Most of the time I use emacs with auto-fill mode breaking any line at 70. Sometimes though I’d like a paragraph to be reverted to a single line; for example for copy-pasting into other editors where it could breaks the formatting. Here’s how

M-x set-variable RET fill-column RET 100000
M-q (on the desired paragraphs)
M-x set-variable RET fill-column RET 70

First line set the fill-column to a large amount, the second will re-run the fill-paragraph and the third will reset the fill-column to my usual value

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