get.psid: get.psid connects to PSID database and downloads into Rda
Description
see http://www.asdfree.com/ for other usage and
http://stackoverflow.com/questions/15853204/how-to-login-and-then-download-a-file-from-aspx-web-pages-with-rUsage
get.psid(file, name, params, curl)
Arguments
file
string psid file number
name
string of filename on disc
params
postForm{RCurl} parameters
curl
postForm{RCurl} curl handle