#!/usr/bin/perl
use strict;
use warnings;

our $fh;
our $log;

open($fh,">","block.power");
open ($log,">","temp.log") or die "can not open file $log : $!\n" ;
while($fh){
   if (/Total Design Power Summary \(Worst/ .. /\|Total/)  {
	  printf $log;
   }
}