site <- "http://random.org/integers/"         # base URL
query <- "num=10&min=100&max=200&col=2&base=10&format=plain&rnd=new"
txt <- paste(site, query, sep="?")            # concat url and query string
nums <- read.table(file=txt)                  # and read the data
nums                                          


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a lot of this is now in package RANDOM