Functions to manage schemes
Value
fully qualified path to the xlsx
file containing the scheme definitipn and the example, NULL
if it does not exist.
Examples
scheme_path_xlsx()
#> [1] "/tmp/RtmpEEeCUq/dmdScheme_37f62693ded/installedSchemes/dmdScheme_0.9.9/dmdScheme_0.9.9.xlsx"