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Mike:
The array lookup is going to be much faster, as the array will be stored
in memory, the CHAIN will require disk I/O.  However, why not just
change a variable in your program (not store the flag in an array)?  I
think that would be the fastest and most efficient of all!
cjg

Carl J. Galgano
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"You ain't gonna learn what you don't want to know" - rw

I'm just noticing that as I spin through some large files that I'm
chaining out a million times (actually more) to a control file to check
a flag.  In the initial subroutine I'm setting up an array that I could
easily store this flag in.  I'm wondering what the opinion is as far as
performance-wise which is more efficient, doing the %lookup() on the
array or chain to the file?

Thanks in advance.

Mike
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