MooX::ConfigFromFile::Role::HashMergeLoaded3pm

  package MyApp::Cmd::TPau;
  use DBI;
  use Moo;
  use MooX::Cmd with_configfromfile => 1;
  
  with "MooX::ConfigFromFile::Role::HashMergeLoaded";
  has csv => (is => "ro", required => 1);
  sub execute
  {
      my $self = shift;
      DBI->connect("DBI::csv:", undef, undef, $self->csv);
  }
  __END__
  $ cat etc/myapp.json
  {
    "csv": {
      "f_ext": ".csv/r",
      "csv_sep_char": ";",
      "csv_class": "Text::CSV_XS"
    }
  }
  $cat etc/myapp-tpau.json
  {
    "csv": {
      "f_dir": "data/tpau"
    }
  }