I have the following code and the following two situations, the code strips a pair of numbers from a string and adds them together and writes to a report the details of the operation (100 rounds of incremental iteration for $num1, $num2) using formats then it asks if the user wants to run another round by providing a string containing another pair of numbers (I would still have to work on the if conditional at the end for better functionality anyways). The code works fine when run in DOS shell but

Situation1:
when I tried to associate with the write function another filehandle t
+han STDOUT to make it write the report to a file it tells me the file
+handle isn't defined, uncomment the lines 32 and 33 to see that.
[download]

Situation2:
for every run of the report I wanted to make the program start a new e
+pisode on another page (i.e it starts a new episode at page 3 if it s
+topped at page 2)
[download]

I couldn't recognize where I went wrong for the first situation, and for the other situation I could not figure how to manipulate the $%, $= and $- variables. So I would welcome your suggestions .

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

my($title,$num1, $num2, $result);
format report_TOP=
@||||||||||||||@>>>>>>>>
$title , "Page $%"
---------------------------------
NUMBER1 || NUMBER2 || ADDITION
---------------------------------
.
format report=
@###@#########@############
$num1, $num2, $result
.
$~="report";
$^="report_TOP";
$title = "Some Report";



START:
print "Please Enter a text containing pairs of numbers\n";
while(<>){
        if(/^(exit|quit)$/){exit;}
        ($num1, $num2) = (/(\d+)/g) for ($_);
        add($num1, $num2);
        }

sub add{
      #  open FILE,'>REPORT.txt' or die "could not open it $!\n";
       # select FILE;
        for(my $index=0;$index<100;$index++){
                $result = $num1 + $num2;
                write;
                $num1++;
                $num2++;
                }
        print "another Pair of numbers? Y N\n";
        if(<> =~ /^N$/i){
                exit;
                }else{
                   print "Please Enter a text containing pairs of numb
+ers\n";
                   "START";
                   }
        }
[download]

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