问题
For my global TODO list, I am showing breadcrumbs as suggested here :
(concat \"[ \"(org-format-outline-path (org-get-outline-path)) \" ]\") ")
to produce following:
I would like to show only the second level of project breadcrumb. So in this case, I would only display [Project A]. I think if I can make a function that can extract the second level, I just need to prepend with %? so that [Tasks] does not appear for Tasks, but only project names would appear for Projects. What would be an ideal way of extracting the second level?
回答1:
All you have to do to get the second element of (org-get-outline-path) is to call nth.
(nth N LIST)
Return the Nth element of LIST. N counts from zero. If LIST is not that long, nil is returned.
The second element is (nth 1 LIST). Replace (org-get-outline-path) with (list (nth 1 (org-get-outline-path))) (we use list because that's what org-format-outline-path expects).
来源：https://stackoverflow.com/questions/35881446/extract-the-second-level-headline