localRFiles <- function(directory = getwd(), suffix = "[.][RSq]$", ask = FALSE) {
files <- list.files(directory)
which <- grep(suffix, files)
if(ask) {
files <- files[which]
which <- menu(c(files, "Other?"), graphics = TRUE)
if(which > length(files)) {
message("Enter a file name:")
return(scan(stdin(), "",n=1))
}
}
files[which]
}