changeKeywordstyles
changeKeywordstyles
sets up / updates a table of keywordstyles to different packages
- Keywords
- utilities
Usage
changeKeywordstyles(pkgs, keywordstyles)Arguments
- pkgs
- character; the packages for which keywordstyle information is to be changed
- keywordstyles
- character or missing; the corresponding keywordstyle format
strings; if missing the corresponding option
Keywordstyleis read off by usinggetSweaveListingOption("Keywordstyle"). Internally, it is being cast to the same l
Details
Before changing the keywordstyles, we first check whether the corresponding
package is registered at all ---by looking up the
(non-exported) vector object .alreadyDefinedPkgs, which is hidden in the
namespace of this package.
For changing the keywordstyle, we write out a
\lstdefinelanguage{R}%
{keywordstyle=["\\bfseries\\footnotesize". Note that backslashes have to be escaped.
and num+2 where num
is the index of the package in the .alreadyDefinedPkgs vector.
For use in an .Rnw file, the call to lstsetlanguage should be
wrapped into a corresponding Sweave chunk in the form
<< /chunkname/, results=tex, echo=FALSE>>=
changeKeywordstyles( ..... )
@
for example
<
Value
invisible()
See Also
Examples
require(MASS)
lstsetLanguage(pkgs = c("MASS","stats"),
keywordstyles = paste("\\bfseries\\color{",c("blue","red"),"}",
sep="", collapse=""))
changeKeywordstyles(pkgs = c("distr","distrEx"),
keywordstyles = paste("\\bfseries\\color{",c("green","blue"),"}",
collapse="", sep = ""))