Re: bash hash bug

[Chet Ramey]

Bob Proulx wrote:

>> Chet Ramey wrote:
>>> When this option is on, bash has to check the hashed filename for
>>> each hash lookup.  This essentially causes the hash entry to be
>>> deleted and re-added each time, which resets the number of hits to 1.
>>> (It could probably be done without the deletion and re-addition; I
>>> should look at that.)

I looked, and it can.  So performance will improve slightly, since there
doesn't need to be a redundant path search, and the `hit count', which is
just a coarse estimate of hashing effectiveness, will be more meaningful.

It was a bug, or at least a case of code no longer working as originally
intended.

Chet
-- 
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Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/