config.js
function underload(cmdlineName, configName) {
  if (!program[cmdlineName] && config.has(configName)) {
    program[cmdlineName] = config.get(configName);
  }
}
function underload(cmdlineName, configName) {
  if (!program[cmdlineName] && config.has(configName)) {
    program[cmdlineName] = config.get(configName);
  }
}
function underload ( cmdlineName , configName ) { if ( ! program [ cmdlineName ] && config . has ( configName ) ) { program [ cmdlineName ] = config . get ( configName ) ; } }
Load the config file option if not overloaded by the command line.

@param cmdlineName: The command line option name
@param configName: The config file option name
Load the config file option if not overloaded by the command line .