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Dear All, Please consider the snippet at the end of the email. I often download some maps (in the R format) from http://www.gadm.org/ However, when I run (typically more than once) a variation of the script below (based on http://bit.ly/1b3W0Aa ), I often get Error in load(url(paste("http://gadm.org/data/rda/", fileName, "_adm", : cannot open the connection In addition: Warning message: In load(url(paste("http://gadm.org/data/rda/", fileName, "_adm", : cannot open: HTTP status was '504...