Sayeed Mohammed wrote:
>
> Hello,
Hello,
> I am trying to process a log file. The format of log file is something like
> this:
>
> datetime code Action Description
>
> The file can be between 100-200MB. The problem is that we don't know the
> code numbers in advance.
> I want to count the number of times each code entry occurred in the file.
> I would like to get the output in this format:
>
> Code Count
> Code#1 xxx times
> Code#2 yyy time
> ..
> and so on.
>
> Should I make an array of each unique code and count its occurance or is
> there a better way to do it?
Use a hash for the code count:
my %code_count;
while ( <LOG> ) {
my $code = get_code_number_somehow();
$code_count{ $code }++;
}
print "Code Count\n";
for my $code ( keys %code_count ) {
printf "%-12s%s\n" $code, $code_count{ $code };
}
__END__
John
--
use Perl;
program
fulfillment
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