Re: Define interactive function with arguments

[Emanuel Berg]

Christopher Dimech wrote:

> I want to call a function that takes a numeric
> argument to I can shift paragraphs.
>
> ( defun Transpose-Paragraphs-Arg (arg)
>     "Transfer paragraph backward"
>     (interactive)
>     (transpose-paragraphs arg)
> )
>
> I have been using "M-x Transpose-Paragraphs-Arg"
>
> But then, how does one pass the value of the
> argument to the function.

C-u X M-x transpose-paragraphs RET

where X marks the spot!

Use without an explicit number also works,

  just C-u - 4
  then C-u C-u - 16
  and so on

Also negative values are possible, e.g.

  C-u -1 M-x transpose-paragraphs RET

Also works with shortcuts.

See

  C-h f universal-argument RET

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