You can use this script with the following example:
  Rscript inst/scripts/prepare_features_edges.R --fil-net-spe-edg-pre data/interim/features/example_edges.tsv.gz

Usage:
  prepare_features_edges.R [--fil-net-spe-edg-raw=<fil-net-spe-edg-raw>] [--fil-net-spe-edg-pre=<fil-net-spe-edg-pre>] [--names-source=<names-source>] [--names-target=<names-target>]

Arguments:
  fil-net-spe-edg-raw        Raw edges file. STRING
  fil-net-spe-edg-pre        Prepared edges file. STRING

  names-source               Name of "source IDs" variable in the input. STRING
  names-target               Name of "target IDs" variable in the input. STRING

Options:
  -h --help                  Shows this screen.
  -v --version               Shows version.