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Re: Elisp - Function returning a list
From: |
Emanuel Berg |
Subject: |
Re: Elisp - Function returning a list |
Date: |
Wed, 16 Dec 2020 05:48:18 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Yuri Khan wrote:
>> For me 800 is 8 O'Clock
>
> You cannot just do decimal arithmetics on times written in
> that format.
>
> Start: 800 End: 1100 Skip: 45
> Expected: 800 845 930 1015 1100
> Actual: 800 845 890 935 980 1025 1070
Arithmetics on time? Is that the purpose?
If so, check out this:
;;; -*- lexical-binding: t -*-
;;;
;;; this file:
;;; http://user.it.uu.se/~embe8573/emacs-init/time-cmp.el
;;; https://dataswamp.org/~incal/emacs-init/time-cmp.el
(defun wall-clock-time (h1 m1 s1 h2 m2 s2)
(let*((d 08) ; arbitrary day to use below, any would do
(m 05) ; actually something cool happened that day
(y 1978) ; in the history of climbing
(total-seconds-1 (float-time (encode-time s1 m1 h1 d m y)))
(total-seconds-2 (float-time (encode-time s2 m2 h2 d m y)))
(s-diff (- total-seconds-2 total-seconds-1)) )
(format-seconds "%.2h:%.2m:%.2s" s-diff) ))
(defalias 'wct #'wall-clock-time)
;; (wct 09 35 10 23 00 00) ; 13:24:50
;; (wct 09 35 10 09 35 20) ; 00:00:10
(defun time-between-times (year1 month1 day1
year2 month2 day2)
(let*((seconds-then (float-time (encode-time 0 0 0 day1 month1 year1)))
(seconds-now (float-time (encode-time 0 0 0 day2 month2 year2)))
(seconds-diff (- seconds-now seconds-then)) )
(format-seconds "%yy %dd" seconds-diff)))
;; (time-between-times 1958 4 13 1958 8 30) ; Tahiti Nui 2 -> 3,
;; ; i.e. 0y 139d
(defun get-time-since (year month day)
(interactive "nyear: \nnmonth: \nnday: ")
(message "%s"
(format-seconds
"%yy %dd"
(float-time
(time-since (encode-time 0 0 0 day month year)) ))))
;; (get-time-since 2011 09 27) ; 8y 228d @ 2020-05-10
--
underground experts united
http://user.it.uu.se/~embe8573
https://dataswamp.org/~incal
- Re: let, let*, oh, why [was: Elisp - Function returning a list], (continued)
- Re: let, let*, oh, why [was: Elisp - Function returning a list], Jean Louis, 2020/12/20
- Re: let, let*, oh, why [was: Elisp - Function returning a list], Jean Louis, 2020/12/20
- RE: let, let*, oh, why [was: Elisp - Function returning a list], Drew Adams, 2020/12/20
- Re: let, let*, oh, why [was: Elisp - Function returning a list], Jean Louis, 2020/12/21
- Re: let, let*, oh, why [was: Elisp - Function returning a list], Emanuel Berg, 2020/12/21
- Re: let, let*, oh, why [was: Elisp - Function returning a list], tomas, 2020/12/21
- RE: let, let*, oh, why [was: Elisp - Function returning a list], Drew Adams, 2020/12/21
- Re: let, let*, oh, why [was: Elisp - Function returning a list], tomas, 2020/12/21
Re: Elisp - Function returning a list, steve-humphreys, 2020/12/15
Re: Elisp - Function returning a list, steve-humphreys, 2020/12/16
Re: Elisp - Function returning a list, Jean Louis, 2020/12/16
Re: Elisp - Function returning a list, Emanuel Berg, 2020/12/16
Re: Elisp - Function returning a sequence of times, Jean Louis, 2020/12/16
Re: Elisp - Function returning a sequence of times, steve-humphreys, 2020/12/16
Re: Elisp - Function returning a sequence of times, Joost Kremers, 2020/12/16
Re: Elisp - Function returning a sequence of times, steve-humphreys, 2020/12/16
Re: Elisp - Function returning a sequence of times, Michael Heerdegen, 2020/12/16
Re: Elisp - Function returning a list, Emanuel Berg, 2020/12/15