See the following Code: 
open(FH,"file");

foreach $line (<FH>) {
     if($line=~/^Db/)   ### Get only the ID lines.
     {
         ($id,$count)=split(' ',$line);
         $count{$id}+=$count;
     }
}

print "ID\t\tCount\n";


foreach $key (keys%count)
{
    print "$key\t$count{$key}\n"
}

[download]
--$ugum@r--

In reply to Re^3: Count ID values by ungalnanban
in thread Count ID values by Anonymous Monk

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