list method
Return the list of installed applications.
Implementation
List<PubApp> list() {
//dart_coveralls 0.1.8
//den 0.1.3
//discoveryapis_generator 0.6.1
//...
var stdout =
runlib.run(sdkBin('pub'), arguments: ['global', 'list'], quiet: true);
var lines = stdout.trim().split('\n');
return lines.map((line) {
line = line.trim();
if (!line.contains(' ')) return new PubApp.global(line);
return new PubApp.global(line.split(' ').first);
}).toList();
}