#!/usr/bin/perl -n

BEGIN {
    use strict;
    use warnings;
    #use Data::Dumper;

    my $filename = $ENV{FILENAME};
    unless (defined($filename)) {die "No filename in environment (filename)\n";}

    @ARGV = $filename;

    my $flag = '0';
    my @lines;
    my $whole_match;
    my @part_before_match;
    my @part_after_match;
    my @number_of_matches;
}

if ( $_ =~ m/<Text>/ ) {
    $flag = '1';
}

if ( $flag == '1' ) {
    $_ =~ s/\r\n//;
    $_ =~ s/\n//;
    $whole_match = $whole_match . $_ . " ";
    if ( $_ =~ m/<\/Text>/ ) {
        $flag = '0';
        @number_of_matches = $whole_match =~ m/(Text>)/g;
        if ( scalar(@number_of_matches) > 2 ) { 
            die "More then one Text in one line.";
        }
        @part_before_match = $whole_match =~ /(.*)(?=<Text>)/;
        @part_before_match->[0] =~ s/^ *$//g;
        @part_after_match = $whole_match =~ /(?<=<\/Text>)(.*)/;
        @part_after_match->[0] =~ s/^ *$//g;
        $whole_match =~ s/[^<]*<Text>//;
        $whole_match =~ s/<\/Text>.*//s;
        @lines = $whole_match =~ m/(.{1,4})/g;
        if ( defined @part_before_match &&  @part_before_match->[0] ne "") {print "@part_before_match\n";}
        #print Dumper @part_before_match;
        foreach my $line (@lines) {
            print "    <Text>$line</Text>\n";
        }
        if ( defined  @part_after_match && @part_after_match->[0] ne "") {print "@part_after_match\n";}
        #print Dumper @part_after_match;
        undef @lines;
        undef $whole_match;
        undef @part_before_match;
        undef @part_after_match;
        undef @number_of_matches;
    }
}
else {
    print;
}