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import 'dart:html' show HttpRequest; | |
main() async { | |
// Asychronously get text to display. | |
var lines = await getLines(); | |
// If result is non-null, print it. | |
lines?.forEach((line) => print(line)); | |
} | |
// Reads a file, returning all lines with the string | |
// 'jabberwock'. | |
getLines() async { | |
var jabber = await HttpRequest.getString( | |
'https://www.dartlang.org/f/jabberwocky.txt'); | |
var lines = jabber.split('\n'); | |
lines.retainWhere((line) => | |
line.toLowerCase().contains('jabberwock')); | |
return lines; | |
} |
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