Re: How to test if the current line contains only white-spache?

[John Mastro <john.b.mastro@gmail.com>]

> For some random minor elisp code I need to know, if the current line
> contains only white-space characters[1].
> 
> I came up with this somewhat convoluted code:
> 
> (beginning-of-line)
> (skip-chars-forward " \t")
> (let ((text-start (current-column)))
>  (end-of-line)
>  (if (= text-start (current-column))
>      t
>    nil)
> 
> (and that is, obviously, without saving point position and wrapping
> into and a defun and maybe other bells and whistles).
> 
> I wonder, what much simpler and more elegant solution I'm missing.

An alternative would be to use a regexp.

Here's an (untested, typed-on-mobile) example:

(beginning-of-line)
(looking-at-p "^[ \t]*$")

-- 
john