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Re: DWIM region (was: Re: count regexp hits)


From: Marcin Borkowski
Subject: Re: DWIM region (was: Re: count regexp hits)
Date: Sun, 07 Jan 2018 06:32:07 +0100
User-agent: mu4e 0.9.19; emacs 27.0.50

On 2018-01-04, at 22:32, Emanuel Berg <address@hidden> wrote:

> BTW this method on acting on the region (if
> any) I have found very useful and it has
> recurred many times in my code: 
>
>     (defun count-regexp-hits (regexp)
>       (interactive "sregexp: ")
>       (let*((region (if mark-active
>                         `(,(region-beginning) ,(region-end))
>                       `(,(point-min) ,(point-max)) ))
>             (start (car  region))
>             (end   (cadr region)) )
>         (count-matches regexp start end t) ))
>
> Is it the canonical way of doing it as well?

Why not use (use-region-p) instead of mark-active?

Also, spacing is kind of strange.

Hth,

-- 
Marcin Borkowski



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