How do I make Swish-e highlight words in search results?
Short answer: Use the supplied swish.cgi or search.cgi scripts located in the example directory. Long answer: Swish-e can’t because it doesn’t have access to the source documents when returning results, of course. But a front-end program of your creation can highlight terms. Your program can open up the source documents and then use regular expressions to replace search terms with highlighted or bolded words. But, that will fail with all but the most simple source documents. For HTML documents, for example, you must parse the document into words and tags (and comments). A word you wish to highlight may span multiple HTML tags, or be a word in a URL and you wish to highlight the entire link text. Perl modules such as HTML::Parser and XML::Parser make word extraction possible. Next, you need to consider that Swish-e uses settings such as WordCharacters, BeginCharacters, EndCharacters, IgnoreFirstChar, and IgnoreLast, char to define a “word”. That is, you can’t consider that a string of c
