From: Emanuel Berg <incal@dataswamp.org>
To: emacs-tangents@gnu.org
Subject: Re: 2022-11-14 Emacs news
Date: Tue, 15 Nov 2022 05:39:28 +0100 [thread overview]
Message-ID: <87o7t8q1a7.fsf@dataswamp.org> (raw)
In-Reply-To: CAJGZZeK-7O_hzeFJgwFrs3v9xttairuQv71DsLB0aJjAHVLBCQ@mail.gmail.com
Sacha Chua wrote:
> Maybe next week, we'll see!
I think it should happen today, now even.
It's about time.
;;; -*- lexical-binding: t -*-
;;
;; this file:
;; https://dataswamp.org/~incal/emacs-init/today.el
(defun eat-and-beat (re data)
(save-excursion
(if (looking-at re)
(replace-match data)
(insert data) )
(save-buffer) ))
(defun today ()
(interactive)
(let ((date-re "[[:digit:]]\\{4\\}-[[:digit:]]\\{2\\}-[[:digit:]]\\{2\\}")
(date (format-time-string "%F")) )
(eat-and-beat date-re date) ))
(defun now ()
(interactive)
(let ((time-re "[[:digit:]]\\{2\\}:[[:digit:]]\\{2\\}")
(time (format-time-string "%R")) )
(eat-and-beat time-re time) ))
(provide 'today)
;;; -*- lexical-binding: t -*-
;;
;; this file:
;; https://dataswamp.org/~incal/emacs-init/time-cmp.el
(require 'cl-lib)
(defun wall-clock-time (h1 m1 s1 h2 m2 s2)
(let*((y 1978) (m 05) (d 08) ; arbitrary date, 1978-05-08
(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
(defun days (y1 m1 d1 y2 m2 d2)
(let*((then (float-time (encode-time 0 0 0 d1 m1 y1)))
(now (float-time (encode-time 0 0 0 d2 m2 y2)))
(diff (- now then)) )
(string-to-number (format-seconds "%d" diff) )))
;; (days 1958 04 13 1958 08 30) ; 139 days between Tahiti Nui 2 & 3
(defun days-date (d1 d2)
(let*((sep "-")
(d1-data (cl-map 'list #'string-to-number (split-string d1 sep)))
(d2-data (cl-map 'list #'string-to-number (split-string d2 sep)))
(y1 (car d1-data))
(m1 (cadr d1-data))
(d1 (caddr d1-data))
(y2 (car d2-data))
(m2 (cadr d2-data))
(d2 (caddr d2-data)) )
(days y1 m1 d1 y2 m2 d2) ))
;; (days-date "2021-03-19" "2021-04-20") ; 31
;; (days-date "1964-07-26" "2021-03-22") ; 20 693
(defun get-time-since (y m d)
(interactive "nyear: \nnmonth: \nnday: ")
(message "%s"
(format-seconds "%yy %dd"
(float-time
(time-since (encode-time 0 0 0 d m y)) ))))
;; (get-time-since 2011 09 27) ; 10y 172d [2022-03-15]
(defun days-since (y m d)
(string-to-number
(format-seconds "%d"
(float-time (time-since (encode-time 0 0 0 d m y))) )))
;; (days-since 1 1 1) ; 738 228 days from 0001-01-01 [2022-03-15]
--
underground experts united
https://dataswamp.org/~incal
prev parent reply other threads:[~2022-11-15 4:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-14 16:02 2022-11-14 Emacs news Sacha Chua
2022-11-15 0:29 ` Emanuel Berg
2022-11-15 3:53 ` Sacha Chua
2022-11-15 4:39 ` Emanuel Berg [this message]
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