use strict;

use warnings;

 

my $source ="temp.txt";

my $num = 1;

my $recline = 10;

 

open(DATA,"<$source") or die "Can't open '$source' $!";

 

while (!eof DATA) {

            my $outfile=sprintf("Int_%s.txt",$num);  ## Open the file once every iteration

            open OUT, ">$outfile";

            my $header = sprintf("%-1s%-12s%-8s%-4s%-4s%-10s%-33s","H",$outfile,"20101221","1230","$num","$recline"," ");

 

            print OUT $header ."\n"; ## Prints the header here

 

            ### Print the contents of the file here, the header is printed above and trailer is printed below. ####

           for (1 .. $recline) {

                last if eof DATA;

                last if ! defined (my $line = <DATA>);

 

            print $line;

          }

 

            my $trailer = sprintf("%-1s%-12s%-8s%-4s%-4s%-10s%-33s","T",$outfile,"20101221","1230","$num","$recline"," ");

            print OUT  $trailer ."\n"; ## Prints the trailer here

 

           $num++ if ($. % $recline eq '0');

 

            close (OUT);   ## Close the file in the same iteration, so that a new file is opened next iteration

 

}

close(DATA);