bug#64735: 29.0.92; find invocations are ~15x slower because of ignores

[Richard Stallman]

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  > If someone was thinking of doing that, they would be better off
  > responding to RMS's earlier request for C programmers to optimize this
  > behavior in find.

  > Since, after all, if we do it that way it will benefit remote files as
  > well.

I wonder if some different way of specifying what to ignore might make
a faster implementation possible.  Regexps are general but matching
them tends to be slow.  Maybe some less general pattern matching could
be sufficient for these features while faster.

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)