docs: function pipeFile (file, endCallback) {
      testPipeFile();
      testFunction(endCallback, 'endCallback');
  
      let readable = fs.createReadStream(file);
  
      readableEndCallback = endCallback;
  
      readable.once('error', throwAsyncError);
      readable.once('close', onReadableClose);
  
      readable.pipe(writable, { end: false });
  }