Ok Let me make it more clear..Im fetching those variables from a flat file and printing it in the XML file. The order of printing of the variable will differ from how we are getting the variable.

#!/usr/bin/perl

open (my $INFO, "<", "$File") or die("Cannot open the flat file $!");

open(my $LOG,">>LOG_file") or die("Cannot open $!");

open(my $XML,">xml_file") or die("Cannot open $!");

while (defined(my $line2 = $INFO)) {

    $line2 =~ s/&/&amp;/g;

    print "$line2\n";

    my $segment = substr($line2,0,2);

    if($segment eq "00")

    {

    my $Var1 = trim(substr($line2,40,8));

    }

    if($segment eq "A0")

    {

    $Var2 = trim(substr($line2,2,9));

    $Var3 = trim(substr($line2,14,3));

    $Var4 = trim(substr($line2,20,42));

    $Var5 = trim(substr($line2,62,30));

and so on

}

    print XML "<Header>\n";

    print XML "<AAA>VAR1<\/AAA>\n";

    print XML "<BBB>VAR2<\/BBB>\n";

    print XML "<CCC>VAR3<\/CCC>\n";

  print XML "<DDD>VAR4<\/DDD>\n";

  print XML "<EEE>VAR5<\/EEE>\n";

    print XML "<Header>\n";

close $LOG;

close $XML;

close $INFO;

sub trim($)

{

   my $string = shift;

    $string =~ s/^\s+//;

   $string =~ s/\s+$//;

   return $string;

}

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