Browse for Working Directory and Optionally Find Prefix
Allows the user to browse a directory tree to set the working directory. Optionally, files with given suffixes can be located in the new directory.
setwdGUI()
## Not run: local(envir=.PBSmodEnv,expr={ createWin( "button text=\"Change working directory\" func=setwdGUI", astext=TRUE ) }) ## End(Not run)