Usage: @FindAfniDsetPath <dsetname>

AFNI_PLUGINPATH and afni bin directory  (in that order) for named
dataset. If found, echo the first valid path discovered and return
zero status. If not found, return non-zero status. If atlas name is
given, then atlas dataset file name is found (and possibly printed with
append_file option below

   -append_file show the file appended too (even with atlas name)
   -full_path print full path instead of '.'
   -help to get this message

+ [Oct 15, 2018] Updated to do a better job searching for NIFTIs and
    to possibly use the environment variables set in ~/.afnirc.

Jason W. Bacon
Medical College of Wisconsin
Sep 27, 2006