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By Emacs, how to join two lines into one?

Answer 1

+3 A:

Just replace newlines with nothing.

Tal Pressman 2009-07-02 05:36:23

Answer 2

+12 A:

M-x join-line will join two lines. Just bind it to a convenient keystroke.

pgs 2009-07-02 05:38:12

Yes. It works. However, it is of no use to a block of several lines(3 lines or more). Any useful command for this purpose?

jcadam 2009-07-02 05:48:14

But if you go to the last line of the block and hit M-^ (the key binding for join-line) several times you will have the same effect. Goes pretty fast, so unless you have hundreds of lines to join I would prefer it over the fill-column hack. Otherwise do as Tal suggests, mark the block and replace newline (C-Q C-J) with nothing.

danielpoe 2009-07-02 06:37:40

I have tried to bind join-line to M-1. It works fine also. As you you suggested, many solutions here for the purpose, so I'll try to use them all in a flexible way. Thank you very much!

jcadam 2009-07-03 08:31:29

Answer 3

+6 A:

You could define a new command for this, temporarily adjusting the fill width before using the the Esc-q command:

;; -- define a new command to join multiple lines together --
(defun join-lines () (interactive)
 (setq fill-column 100000)
 (fill-paragraph nil)
 (setq fill-column 78)
)

Obviously this only works, if your paragraph has less than 100000 characters.

Ralph 2009-07-02 06:14:07

Without clobbering fill-column, that would be (defun join-lines () (interactive) (let ((fill-column 999999)) (fill-paragraph nil)))

huaiyuan 2009-07-02 10:31:53

Yeah. This should be more graceful.

jcadam 2009-07-03 08:33:14

What about this ?(defun unfill-paragraph () "Does the opposite of fill-paragraph" (interactive) (let ((fill-column (point-max))) (fill-paragraph nil)))

Gyom 2009-07-09 01:37:34

Answer 4

+3 A:

Place point anywhere on the last line of the group of lines that need joining and call

M-^

repeatedly until all the lines are merged.

Note: It leaves one space between all of the now joined lines.

Ray Vega 2010-01-22 01:17:32

That's the one I needed... Thanks!

To1ne 2010-04-12 07:13:38

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