HTML Validation

jcfox has asked for the wisdom of the Perl Monks concerning the following question:

I am looking into doing simple HTML validition. I have found HTML::Validator on cpan, but I cannot use because we do not have lib-sgml installed on the boxes this will run on. We do have nsgml, and I like how it works. My question is this: other than HTML::Validator (unless there is a way to install it without lib-sgml) is there a standard perl way to validate HTML? Something that has been used and tested over the perl ages?

Comment on HTML Validation

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Re: HTML Validation by zwon (Abbot) on Jan 27, 2009 at 21:43 UTC
But HTML::Validator actually uses nsgml. SGML library contains DTDs, you need them in any case, you can install it in any location, so it shouldn't be a problem. Update: note, that sgml-library is not something you should compile and execute, it just text (SGML, XML, DTD) documents. Update2: there are also other modules that may be interesting for you: HTML::Lint and HTML::Tidy. Tidy requires libtidy, so maybe this is not your choice, and Lint is a pure perl module.	[reply]
Re: HTML Validation by ww (Archbishop) on Jan 27, 2009 at 23:18 UTC
Non-perlish: Use the w3c online validator at http://validator.w3.org/#validate_by_input+with_options (copy-paste version) or http://validator.w3.org/ (via URI input, for docs accessible from online) and its CSS validator at http://jigsaw.w3.org/css-validator/. Perlish challenge: Write a script to upload your html to the first or second, and your .css to the third... and retrieve the reports.	[reply]
Re^2: HTML Validation by Gavin (Archbishop) on Jan 28, 2009 at 11:05 UTC
Better still Write a Perl script that also corrects those errors! I remember well the first time I used the W3C validator it returned 400 errors from a single XHTML page!	[reply]