Simply by skipping any files that are less than 20 days old, I get an answer within 5 seconds :)
$ time ./bobf.pl dump.1167332700 McDarren 71 Processed 367155 lines in 3298 files (total files:57872) 4.41 real 4.20 user 0.14 sys
In reply to Re^2: Optimising a search of several thousand files
by McDarren
in thread Optimising a search of several thousand files
by McDarren
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