# #!perl
use utf8;

my $Path 			= 'C:\\Programme\\Application\\Session';
my $iniFile 		= 'application.ini';

# read ini
my $conf = &iniRead ( $Path . "\\" . $iniFile);

# write ini
&iniWrite ( $Path . "application.bkp", $conf);


# - # - # - # - # - # - # - # - # - # - # - # - # - # - # - # - # - # - #
#
#	Subs		Subs		Subs		Subs		Subs		Subs		
#
# - # - # - # - # - # - # - # - # - # - # - # - # - # - # - # - # - # - #

sub iniRead { 

	my $ini = $_[0];
	my $conf;
	
	open (INI, '<:raw:encoding(UTF-16LE):crlf', $ini) or die "Kann File $ini nicht zum lesen oeffnen: $!\n";
	while (<INI>) {
		chomp;
		
		# non printable ascii chars -> [^ -~]*
		if (/^[^ -~]*\[(.*?)\]$/) {
			$section = $1;
		}

		if ( /^(.*?)\=(.*?)$/ ) {
		  $conf->{$section}->{$1} = $2;         
		}
	}
	close (INI);
	return $conf;
	
}

sub iniWrite {
		
	my $ini = $_[0];
	my $conf = $_[1];
	my $contents = '';

	foreach my $section ( sort { (($b eq '_') <=> ($a eq '_')) || ($a cmp $b) } keys %$conf ) {

		my $block = $conf->{$section};
		$contents .= "\n" if length $contents;
		$contents .= "[$section]\n" unless $section eq '_';
		foreach my $property ( sort keys %$block ) {

			$contents .= "$property=$block->{$property}\n";
			# print "$property=$block->{$property}\n";

		}
	}

	open( CONF,'>:raw:encoding(UTF-16LE):crlf', $ini ) or die "Kann File $ini nicht zum schreiben oeffnen: $!\n";
	print CONF $contents;
	close CONF;

}

C:\Users\appUser1> perl -pe "BEGIN { binmode $_, ':raw:encoding(UTF-16LE)' for *STDIN, *STDOUT };" <application.ini >application.bkp