Hi Please can someone guide me how to do this ? 1. I have a data file "path.csv" and it's contents is: 2. here basically i need to count the number of times each IP address shows up in the file based on the KEY 3. After loading above KEY:VALUES pair to HASH, i want to read IP and count based on each KEY and print into a file. I have coded something like below,i had given only the function: 
 
sub _Load_IP
{
if(! open (PATH_FILE_FH, "$Path_File"))
  {
     print "Failed to Open input PATH_REPORT File: $Path_File\n";
     exit 1;
  }

 while(<PATH_FILE_FH>)
  {
   my $data =$_;
   chomp($data);

    my($pname,@val) = split(/\s+/,$data);
    my($Starpnt,$Endpnt) = split(/_/,$pname);
    $key = $Startpnt;

  #$IP_hash{$key} .= exists $IP_hash{$key} ? map{$IPcountList{$_}++ }"
+@val" : @val;

  
   $IP_hash{$key} .= "@val";


}
   
 close(PATH_FILE_FH);

} #End of  _Load_IP()

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In reply to count the number of IP shows up in the file by sgowrish

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