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  my $user_dir = File::Basename::dirname( $user_file );

   my $user_dir = dirname( $user_file );

  use MyModule qw( myfunc );

  my $result = myfunc( \%args );

  use MyModule;

  my $result = MyModule->myfunc( \%args );

  use MyModule;

  my $thingy = MyModule->new( \%args )
  my $result1 = $thingy->myfunc( \%overriding_args1 );
  my $result2 = $thingy->myfunc( \%overriding_args2 );