index.js
function read(fp, opts) {
  if (opts && opts.read) {
    return opts.read(fp, opts);
  }
  return readData.call(this, fp, opts);
}
function read(fp, opts) {
  if (opts && opts.read) {
    return opts.read(fp, opts);
  }
  return readData.call(this, fp, opts);
}
function read ( fp , opts ) { if ( opts && opts . read ) { return opts . read ( fp , opts ) ; } return readData . call ( this , fp , opts ) ; }
Default `read` function. Pass a function on `options.read`
to customize.

@param {String} `fp`
@param {Object} `opts`
@return {String}
@api private
Default read function . Pass a function on options . read to customize .