execAndWaitExit method
Implementation
Future<int?> execAndWaitExit(String command, List<String> args) async {
var process = await exec(command, args);
if (process == null) return null;
return process.waitExit();
}
Future<int?> execAndWaitExit(String command, List<String> args) async {
var process = await exec(command, args);
if (process == null) return null;
return process.waitExit();
}