lib/node-fs.js
function readFile(path, callback) {
  nodeFs.readFile(path, function (err, binary) {
    if (err) {
      if (err.code === "ENOENT") return callback();
      return callback(err);
    }
    return callback(null, binary);
  });
}
function readFile(path, callback) {
  nodeFs.readFile(path, function (err, binary) {
    if (err) {
      if (err.code === "ENOENT") return callback();
      return callback(err);
    }
    return callback(null, binary);
  });
}
function readFile ( path , callback ) { nodeFs . readFile ( path , function ( err , binary ) { if ( err ) { if ( err . code === "ENOENT" ) return callback ( ) ; return callback ( err ) ; } return callback ( null , binary ) ; } ) ; }
Reads all bytes for given path. => binary => undefined if file does not exist
Reads all bytes for given path . = > binary = > undefined if file does not exist