Samuel Wales <samolog...@gmail.com> writes: > thanks for the clarification. are you saying that, for every archived > entry, it calculates teh category property, using the original org > file, in order to add a category property to just one archived entry?
Nope. It does not just calculate category for the archived entry, but re-calculates all the category properties in the original Org file (updating category cache). > that would certainly slow down more and more, but it sends me back to > my question about whether append to file would work. > i.e. build the single entry in a temporary buffer then write that > region to a file on disk. Appending can indeed work if your archive location is at the end of the file. However, it is not necessary the performance bottleneck. Certainly not when the archive file is small. Best, Ihor