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I'm generating HTML reports using knitr, and I'd like to include author and generation date meta tags.
My Rhtml page looks something like this.
<html>
<head>
<meta name="author" content="<!--rinline Sys.getenv('USERNAME') -->">
<meta name="date" content="<!--rinline as.character(Sys.time()) -->">
</head>
<body>
</body>
</html>
Unfortunately, after I knit("test.Rhtml"), the HTML that knitr generates is
<meta name="author" content="<code class="knitr inline">RCotton</code>">
<meta name="date" content="<code class="knitr inline">2013-01-02 14:38:16</code>">
which isn't valid HTML. What I'd really like to generate is something like
<meta name="author" content="RCotton">
<meta name="date" content="2013-01-02 14:38:16">
Can I generate R code that doesn't get a code tag wrapping it? Or is there another way to specify tag attributes (like these content attributes)?
So far my least-worst plan is to manually fix the content with readLines/str_replace/writeLines, but this seems rather kludgy.
402
Another (undocumented) approach is to add I() around your inline code to print the characters as is without the <code> tag, e.g.
<html>
<head>
<meta name="author" content="<!--rinline I(Sys.getenv('USERNAME')) -->">
<meta name="date" content="<!--rinline I(as.character(Sys.time())) -->">
</head>
<body>
</body>
</html>
Not really nice, but seems to work without adding a hook:
<head>
<!--begin.rcode results='asis', echo=FALSE
cat('
<meta name="author" content="', Sys.getenv('USERNAME'), '">
<meta name="date" content="', as.character(Sys.time()),'-->">
',sep="")
end.rcode-->
</head>
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