Comments (1)
Oh ... so this actually the opposite compatibility problem to the issues discussed in #4. You are entirely correct though, I guess leaning so heavily on keep-lines
is pretty fragile and dependent on the grouping mode.
I will have to think on this a bit. I think for winnow-match-lines
it's possible to modify the regexp passed to keep-lines
to also mask and keep lines starting with ^File:
. Unfortunately that wouldn't drop a given filename if it no longer had any matches in it. However, I don't think that hack would work for the corresponding flush-lines
call, and I don't know if all of the outputs from ag
, rg
, ack
, etc result in that File:
prefix.
An alternative solution would be to use compilation-next-file
and compilation-previous-file
to find the boundaries between files and then run keep-lines/flush-lines on a per file basis, until no more files were available in the output. That could be further extended to remove file references with all matches dropped. That might not be as happy performance wise though, and is certainly a little more complicated implementation wise.
I might try to do a proof of concept of something tied a little more closely to the compilation mode functions at some point, but would also very much welcome patches for that or alternate solutions from anyone interested.
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