openPage | R Documentation |
Opens and closes an HTML page/document, allowing a sequential building of an HTML page.
openPage(filename, dirname=NULL, title=filename, link.javascript=NULL, link.css=NULL, css=NULL, head=NULL, charset="utf-8", lang="en", head.attributes=NULL, body.attributes=NULL) closePage(page, splash=TRUE)
filename |
a character string containing the filename or the path of the HTML file to be created. |
dirname |
an optional character string containing the path of the directory where the file should be written. |
title |
an optional character string containing the title of the HTML page. |
link.javascript |
an optional character vector containing the URL of Javascripts to be associated with the page. |
link.css |
an optional character vector containing the URL of CSS stylesheets to be associated with the page. |
css |
an optional character vector containing inline CSS stylesheets to be associated with the page. |
head |
an optional character string containing an HTML fragment to be added in the <head> section of the page. |
charset |
an optional character string containing the current charset. Default is "utf-8". |
lang |
an optional character string containing the current langage. Default is "en". |
head.attributes |
an optional named list of character strings, containing the <head> attributes. |
body.attributes |
an optional named list of character strings, containing the <body> attributes. |
page |
a page handle returned by a previous |
splash |
a logical, indicating whether the hwriter splash tag 'generated by...' should be written at the end of the page. |
openPage
opens a new file for writing and returns a page handle
which is used by hwrite
to append HTML elements in a current
page. Any previous existing file will be overwritten.
The argument head
is useful to add extra HTML code in the <head> header code.
closePage
ends the HTML page formatting, flushes the pending
writing operations and closes the file.
A connection which is a handle to the current HTML page.
Gregoire Pau, gpau@ebi.ac.uk, 2008
hwrite
, hmakeTag
.
## Creates a new web page 'test.html' in the R temporary directory tmpdir <- tempdir() p <- openPage('test.html', dirname=tmpdir, link.css='http://www.ebi.ac.uk/~gpau/hwriter/hwriter.css') hwrite('Iris example', p, center=TRUE, heading=1) hwrite(paste('This famous (Fisher\'s or Anderson\'s) iris data set', 'gives the measurements in centimeters of the variables', 'sepal length and width and petal length and width, respectively,', 'for 50 flowers from each of 3 species of iris.'), p, class='king') hwrite(iris, p, row.bgcolor='#ffffaa') closePage(p) ## Opens a web browser on the web page if (interactive()) try(browseURL(file.path(tmpdir, 'test.html')))
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