Mark Funk asked:
> What exactly does the following Perl code do?
>
> %hash=();
>
> open(PREVFILE, $prevfile) or die("Unable to open previous file");
>
> while(<PREVFILE>) {
> chomp;
> last if /BREAK/;
> $seen{$_}++;
> }
> close(PREVFILE);
Exactly, the code does nothing (since there is no output). I
suspect the intent is to count the number of times each line of
the file $prevfile occurs; but if $prevfile has a line which is
just "BREAK" then only lines above that line are considered
(otherwise all lines are considered).
--Suresh
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