perlunitut: Unicode in Perl#Decoding 

use Encode;
...
while( my $bytesread = $bz->bzreadline(my $line) ){
    $bytesread ==-1 and warn sprintf "Error: $bz->bzreadline : %d : %s
+", $bz->bzerror, $bz->bzerror;
    $line = decode('utf8',  $line );
    ...
}

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See also perluniintro, Encode...

In reply to Re: Unicode in bz2 compressed files by Anonymous Monk
in thread Unicode in bz2 compressed files by Anonymous Monk

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