Read the entire file contents as a string using the given Encoding.
Returns a Future<String>
that completes with the string once the file contents has been read.
Future<String> readAsString({Encoding encoding: utf8});
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-io/File/readAsString.html