New Scripts for Automating UMLS and RxNorm Downloads. NLM Tech Bull. 2013 Jul-Aug;(393):b5.
UMLS and RxNorm users may now automate downloads by utilizing the newly released downloads script. Combine the script with a scheduling tool to fully automate your downloads. The scripts support Windows®, Mac, Linus, and Solaris operating systems.
Download the scripts and README zip file with instructions from http://download.nlm.nih.gov/rxnorm/terminology_download_script.zip.