emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
From: Carsten Dominik <dominik@science.uva.nl>
To: Ruslan Kosolapov <rkosolapov@swsoft.com>
Cc: org-mode <emacs-orgmode@gnu.org>
Subject: Re: thoughts: "formulas for timestamps" feature
Date: Wed, 6 Jun 2007 10:10:56 +0200	[thread overview]
Message-ID: <188ff72ee29e802d5cd813f4abd7d3d9@science.uva.nl> (raw)
In-Reply-To: <87vee7zrgd.fsf@kosolapov-nb.plesk.ru>


On Jun 1, 2007, at 16:20, Ruslan Kosolapov wrote:

>
> Hi all, it's me again :)
>
> My previous message
> (http://www.mail-archive.com/emacs-orgmode@gnu.org/msg01685.html)
> contains complains about ability to use formulas for timestamp (third
> problem).
>
> Yesterday I found http://www.cs.brown.edu/~gmarceau/spread.el
>
> I think it is what I need.  But one small problem blocks me.
>
> In org-file I wrote:
> ** NEW Task1
>    DEADLINE: qwe <= (concat "<2007-05-15 Втр>") => task1
>
> After M-x spread-recalc org file goes to:
> ** NEW Task1
>    DEADLINE: "<2007-05-15 Втр>" <= (concat "<2007-05-15 Втр>") => task1
>
> But agenda do not determine dates in quotes (btw, shift-up works
> well).
>
> I see two solutions:
>  - fix regexp of dates determination for quotes support (in org-mode)

I would recommend against this.  I am not sure what this would break,
but it may very well break something.

>  - fix spread-mode - remove quotes printing
>
> I tried to fix spread-mode, and fail (there are many reasons of it).
>
> 1. Does org-mode uses symbols "<=" and "=>"?

Yes, => is used in CLOCK lines, and in tables (but there only as
a display property).

>
> 2. Does org-mode contains functions for timestamp calculation?  I need
> something like
> (add-to-timestamp "<2007-05-15 Втр>" "+1d") with result "<2007-05-16 
> Срд>"

Org itself uses time-date.el.  There are no functions which would make
this easy - but it could be easy to write one - base it
on org-timestamp-change, but make it read and return strings.

- Carsten

      reply	other threads:[~2007-06-06  8:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-01 14:20 thoughts: "formulas for timestamps" feature Ruslan Kosolapov
2007-06-06  8:10 ` Carsten Dominik [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.orgmode.org/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=188ff72ee29e802d5cd813f4abd7d3d9@science.uva.nl \
    --to=dominik@science.uva.nl \
    --cc=emacs-orgmode@gnu.org \
    --cc=rkosolapov@swsoft.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).