length(Sys.glob(file.path(Dir, "*.pdf))) or use the 'pattern' argument of list.files()
or use system(paste("ls", file.path(Dir, "*.pdf), "| wc -l"), intern=TRUE) On Mon, 18 Aug 2008, Kurapati, Ravichandra (Ravichandra) wrote:
Hi Lets say, Dir<-"/var/www/html/celnet/users/cxadmin/FlowDuration_DataVolume/fld_01_ 08_18_08" There will be pdf and/or csv files. I want to know how many *.pdf files are there in that directory. How can I get using R commands. Thanks K.Ravichandra
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