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Re: Emacs: adding 1 to every number made of 2 digits inside a marked reg
From: |
Hongyi Zhao |
Subject: |
Re: Emacs: adding 1 to every number made of 2 digits inside a marked region. |
Date: |
Thu, 23 Sep 2021 08:42:10 +0800 |
On Thu, Sep 23, 2021 at 4:38 AM Emanuel Berg via Users list for the
GNU Emacs text editor <help-gnu-emacs@gnu.org> wrote:
>
> Hongyi Zhao wrote:
>
> > Today, I stumbled on this interesting discussion [...]
> >
> > Imagine I've got the following in a text file opened under
> > Emacs:
> >
> > some 34
> > word 30
> > another 38
> > thing 59
> > to 39
> > say 10
> > here 47
> >
> > and I want to turn into this, adding 1 [...]
>
> When I was still classified as a human being I did something
> similar and thanks to Emacs and that professional approach to
> preparation that mini-expedition was concluded in
> a semi-successful state since there were several survivors.
>
> Here is the URL to the file but I also yank it last:
>
> https://dataswamp.org/~incal/TENT
>
> tent 2515
> sleeping bag 1215
> sleeping pad 880
> Trangia 619
> comic book 580
> pillow 450
> science book 411
> drybag 305
> thermos 270
> powerbank 8000mAh 245
> water bottle 115
> toothpaste 110
> piece of cloth (big) 100
> knife 90
> sticky tape 90
> deodorant 75
> flashlight (3AAA) 73
> piece of cloth (small) 60
> flashlight (USB) 55
> vaseline 50
> toothbrush 15
> skin lotion 13
> comb 11
> spoon/fork 9
> pill case 9
> ------------------------------
> 8365g
>
> (defun digits-sum ()
> (interactive)
> (save-excursion
> (goto-char (point-min))
> (let ((sum 0))
> (while (forward-word)
> (let ((number (number-at-point)))
> (when number
> (cl-incf sum number) )))
> (message "%s" sum) )))
> (defalias 'di #'digits-sum)
`M-:' the above code with your data in scratch gives me the following
message in minibuffer:
[Trailing garbage following expression]
HZ
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., (continued)
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Hongyi Zhao, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Stephen Berman, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Hongyi Zhao, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Stephen Berman, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Hongyi Zhao, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Stephen Berman, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Hongyi Zhao, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Stephen Berman, 2021/09/23
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Hongyi Zhao, 2021/09/23
Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Emanuel Berg, 2021/09/22
- Re: Emacs: adding 1 to every number made of 2 digits inside a marked region.,
Hongyi Zhao <=
Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Emanuel Berg, 2021/09/22
Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Hongyi Zhao, 2021/09/23
Re: Emacs: adding 1 to every number made of 2 digits inside a marked region., Andreas Röhler, 2021/09/23