getCred <-
function()
{
ff <- getOption("DROPBOX_OAUTH_RDA", "")
if(ff == "")
ff <- Sys.getenv("DROPBOX_OAUTH_RDA")
if(ff != "" && file.exists(ff)) {
what = load(ff, globalenv())
get(what, globalenv())
} else
stop("cannot find saved dropbox credentials. Set it using the envirornment variable DROPBOX_AUTH_RDA")
}
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