Hello gurus,

I wrote following code generating report as below.

Here is code: 

use warnings;
use strict;
use Time::Local;

my ($ReadOp, $WriteOp);

while (<DATA>) {
next if ($. == 1);
chomp;   
my @output = split/,\s?/;
if ( $output[2] eq "W" ) { 
    $WriteOp -> {$output[1]}{$output[4]} += $output[3];
} elsif ( $output[2] eq "R") {
    $ReadOp -> {$output[1]}{$output[4]} += $output[3];
}

}
print "=======\n";
print "WriteOperation\n";
print "=======\n";
for my $ip(keys %{$WriteOp}) {
    my $files= ${$WriteOp}{$ip};
    for my $file(keys %{$files}) {
        print "$ip - $file - ${$WriteOp}{$ip}{$file}\n"; 
    }
}

print "\n\n\n";
print "=======\n";
print "ReadOperation \n";
print "=======\n";
for my $ip(keys %{$ReadOp}) {
    my $files= ${$ReadOp}{$ip};
    for my $file(keys %{$files}) {
        print "$ip - $file - ${$ReadOp}{$ip}{$file}\n"; 
    }
}

__DATA__
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 4964,/export/file1.log
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 4964,/export/file2.log
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 4963,/export/file2.log
Sun Aug 21 12:08:21 2011,172.22.112.141, W, 9292,/export/home/another.
+file
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 4964,/export/file2.log
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 2493,/export/file1.log
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 2355,/export/another.log
Sun Aug 21 12:08:21 2011,172.22.32.28, R, 25,/export/another.log
Sun Aug 21 12:08:21 2011,172.20.220.38, W, 3699,/export/file2.log
Sun Aug 21 12:08:21 2011,172.20.220.146, W, 1996,<?>
Sun Aug 21 12:08:21 2011,172.22.32.28, W, 2776,/export/file1.log
Sun Aug 21 12:08:21 2011,172.22.32.28, R, 26,/export/file1.log

[download]

Here is output $./1.pl 

=======
WriteOperation
=======
172.20.220.38 - /export/file2.log - 3699
172.22.112.141 - /export/home/another.file - 9292
172.20.220.146 - <?> - 1996
172.22.32.28 - /export/file2.log - 14891
172.22.32.28 - /export/another.log - 2355
172.22.32.28 - /export/file1.log - 5269



=======
ReadOperation 
=======
172.22.32.28 - /export/another.log - 25
172.22.32.28 - /export/file1.log - 26

[download]

My question is how I can sort the output according to the last column. I am doing following. But I am sure there is better way in perl to achieve it.

$./1.pl | sort -n -t"-" -k3

Thanks,

In reply to sort question by roadtest

Title:
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