On 2018-10-20, at 10:26, Nicolas Goaziou <m...@nicolasgoaziou.fr> wrote:
> Hello, > > Marcin Borkowski <mb...@mbork.pl> writes: > >> I am studying the `org-clock-sum' function (I need to parse an Org file >> and extract clocking data), and I noticed that ":CLOCK => hh:mm" is >> allowed as a clock entry. The Org syntax at >> https://orgmode.org/worg/dev/org-syntax.html#Clock,_Diary_Sexp_and_Planning >> confirms this. > > CLOCK: > > and > > CLOCK: => hh:mm > > are simply empty clocks. > >> What is the rationale behind this? > > Treating them as regular text would complicate parsing unnecessarily, > e.g., to determine when to stop a paragraph. OK, I don't fully get it, but I believe you. :-) > There are other cases that can lead to odd clocks: > > CLOCK: INACTIVE-TIMESTAMP => HH:MM > > where INACTIVE-TIMESTAMP is not a timestamp range. > >> I want not only to sum the clocks (org-clock-sum does that, of >> course), but I want more detailed information (like how many clocks >> were that in the given period etc.). The format with only the duration >> makes this troublesome, and I'd like to ignore such entries (I have >> never seen them in my files, of course). I'm wondering what scenario >> could lead to their existence? > > Hand-writing a clock information? > > In any case, you can simply ignore them whenever you find them – which > shouldn't happen, right? Yes, that's what I thought. > We can also add a checker in Org Lint for those problematic cases. Might be a good idea, though definitely very low priority. >> BTW, the syntax draft says that there can be any TIMESTAMP object before >> the DURATION, but `org-clock-sum' assumes that its timestamps are >> inactive. Isn't that a bug? > > This is an oversight. Clock timestamps must be inactive. I will fix it. Thanks. Best, -- Marcin Borkowski http://mbork.pl