index.js
function _echoPidToFile(options) {
        var command = '';
        if (options && options.pidFile) {
          command =  ' & echo $! > ' + options.pidFile;
        }
        return command;
      }
function _echoPidToFile(options) {
        var command = '';
        if (options && options.pidFile) {
          command =  ' & echo $! > ' + options.pidFile;
        }
        return command;
      }
function _echoPidToFile ( options ) { var command = '' ; if ( options && options . pidFile ) { command = ' & echo $! > ' + options . pidFile ; } return command ; }
Format the echo-to-PID-file command string

@param object

@return string
Format the echo - to - PID - file command string