From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcin Borkowski <mbork@mbork.pl>
Subject: Re: Sum clocks into a custom property
Date: Mon, 12 Nov 2018 11:42:53 +0100
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To: Leo Alekseyev <dnquark@gmail.com>
Cc: Emacs orgmode <emacs-orgmode@gnu.org>


On 2018-11-12, at 11:35, Leo Alekseyev <dnquark@gmail.com> wrote:

> I am using org-invoice.el, which expects either CLOCKSUM or WORK properties
> to exist in an item; these properties contain some time duration record in
> HH:MM format.
>
> I can't figure out how to generate those properties from a series of clock
> entries with any built-in user-facing functions, so I want to do it
> programmatically -- I can get the sum of the clock entries
> via (org-clock-sum-current-item), but how do I convert them to HH:MM format
> and insert it as a property?

For converting to hh:mm format, see the `format-seconds' function (built
into Emacs).

Hth,

-- 
Marcin Borkowski
http://mbork.pl