## Not run:
#
# # supposing that the data file gridcor.dat is in the current directory
# file <- "gridcor.dat"
# imp <- importGridcorInternal(file)
#
# # specifying a directory (arbitrary example directory)
# dir <- "/Users/markheckmann/data"
# imp <- importGridcorInternal(file, dir)
#
# # using a full path
# imp <- importGridcorInternal("/Users/markheckmann/data/gridcor.dat")
#
# # load GRIDCOR data from URL
# imp <- importGridcorInternal("http://www.openrepgrid.uni-bremen.de/data/gridcor.dat")
# ## End(Not run)
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