Change your print loop to:

while ( defined( my $token = $lexer->() ) ) {
    next if ! defined $token or ! defined @$token; # Skip blank lines 
+- no tokens
    my ( $label, $value ) = @$token;
    print "$label => $value\n";

    #print Dumper($token);

}

[download]

to handle blank and non-token containing lines

DWIM is Perl's answer to Gödel

In reply to Re: Using HOP::Lexer to parse a document by GrandFather
in thread Using HOP::Lexer to parse a document by monsterzero

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