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cranSearch = function(q=”)
{
library(XML)
u<-‘http://cran.r-project.org/web/packages/’
d<-readHTMLTable(u)
d[[1]]$V1
lib.names <- as.vector(d[[1]]$V1)
lib.descriptions <- as.vector(d[[1]]$V2)
lib.names[grep(q,lib.descriptions)]
}
So to search for all packages that have XML in the description.
cranSearch(‘XML’)
The search is case sensitive.
cranSearch(‘World Bank’)
In fact it is a regular expression.
cranSearch(‘stock|Stock’)
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