Re^2: Parsing of undecoded UTF-8 will give garbage when decoding entities


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Re^2: Parsing of undecoded UTF-8 will give garbage when decoding entities

by itsscott (Sexton)

on Aug 25, 2015 at 14:43 UTC ( #1139849=note: print w/replies, xml )

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in reply to Re: Parsing of undecoded UTF-8 will give garbage when decoding entities
in thread Parsing of undecoded UTF-8 will give garbage when decoding entities

Honestly, from what I've seen no. The only 'extended' characters are a few 'smart' apostrophes and a copyright symbol. I determined this with bbedit by opening the raw file, and switching the encoding to latin1 from the utf-8. each page is pretty much identical, but that's a good point about the headers. I will investigate that next. It's so hard figuring this kind issue as it's the module barking and our code!

Thanks for the input so far!

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Re^3: Parsing of undecoded UTF-8 will give garbage when decoding entities
by aitap (Curate) on Aug 26, 2015 at 11:44 UTC

Only ASCII characters (with ord <= 0x7f) are represented in UTF-8 in the same way as in latin1 (as single bytes). By the way, there is a module IO::HTML which can be used to determine encoding of HTML files (seekable :raw streams only).

If you are positive that your web pages consist only of ASCII and valid UTF8, you can use HTML::TokeParser::->new( \ decode "UTF-8", $raw_html ); (or even utf8::decode($html); HTML::TokeParser::->new($html)), but it's going to complain and/or produce mojibake (or at least U+FFFD REPLACEMENT CHARACTERs) if (when?) the crawler encounters latin1/cp1252/koi8/another non-ASCII encoding.

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