I'm working on a small project to extract high-frequency terms from a
document and then display those terms in web page. To this end, I've to pass
the file name as parameter to the Corpus function to build a corpus of only
one document. I can build the corpus using the code below interactively in
R. But calling the function with a file name as the parameter I got the
error message saying "Error in eval(expr, envir, enclos) : object
'strFileName' not found"
test<-function(strFileName) {
src <- URISource(strFileName)
cor <- Corpus(src, readerControl = list(reader = readPDF, language =
"en_US", load = TRUE))
}
After running the following code in R I checked the docURISource$URI and the
value is "strFileName" rather than "C:\\Temp\\readme.txt". I also checked
the URI when I was debugging the function and the URI is also "strFileName"
rather than "C:\\Temp\\readme.txt".
strFileName <- "C:\\Temp\\readme.txt"
docURISource = URISource(strFileName, encoding = "UTF_8")
docCorpus = Corpus(docURISource)
So it seems when running interactively the URI contains strFileName as a
variable but when called as a function, the URI contains strFileName as the
actual value. Can anybody point out what's the problem?
thanks in advance!!
Jianli
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