Re: Fix UTF Encoding issue

[mkoegler@xxxxxxxxxxxxxxxxx (Martin Koegler)]

On Tue, Dec 04, 2007 at 09:55:04AM +0200, Ismail Dönmez wrote:
> Tuesday 04 December 2007 Tarihinde 09:50:28 yazm????t??:
> > The bug affects old versions of perl (Debian sarge = oldstable).
> > As it works on the newer Debian etch, do you really think, that it is
> > a good idea to report issue?
> 
> Same problem here with v5.8.8 which is latest stable perl5 release.

I have put together a small perl script, which tests the various ways
of decoding, which have been posted on the list. The first test is
wrong by design. A working decoding method should result in
"#öäü#äöü".

Debian sarge:
#öäü#ÀöÌ
##äöü
##äöü
##äöü

Debian etch, OpenSuSE 10.2, Fedora 7:
#öäü#ÀöÌ
#öäü#äöü
#öäü#äöü
#öäü#äöü

mfg Martin Kögler

#!/usr/bin/perl
use Encode;

sub t {
my $str = shift;
my ($res);
eval { return ($res = decode_utf8($str, Encode::FB_CROAK)); };
return decode("latin1", $str, Encode::FB_DEFAULT);
}
sub t1 {
my $str = shift;
my ($res);
eval { ($res = decode_utf8($str, Encode::FB_CROAK)); };
if ($@) {
return decode("latin1", $str, Encode::FB_DEFAULT); }
else
{ return $res; }
}

sub t2 {
my $str = shift;
my ($res);

eval { $res = decode_utf8($str, Encode::FB_CROAK); };
 if (defined $res) {
        return $res;
} else {
        return decode("latin1", $str, Encode::FB_DEFAULT);
}
}

sub t3 {
	my $str = shift;
	my $res;
	eval { $res = decode_utf8 ($str, 1); };
	return $res || decode('latin1', $str);
}

print t("#öäü");
print t("#ÀöÌ");
print "\n";
print t1("#öäü");
print t1("#ÀöÌ");
print "\n";
print t2("#öäü");
print t2("#ÀöÌ");
print "\n";
print t3("#öäü");
print t3("#ÀöÌ");
print "\n";



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