in example/spawn_process_example.dart [10:33]
Future<void> main() async {
final manager = ProcessManager();
// Print `dart` tool version to stdout.
print('** Running `dart --version`');
var spawn = await manager.spawn('dart', ['--version']);
await spawn.exitCode;
// Check formatting and print the result to stdout.
print('** Running `dart format --output=none .`');
spawn = await manager.spawn('dart', ['format', '--output=none', '.']);
await spawn.exitCode;
// Check if a package is ready for publishing.
// Upon hitting a blocking stdin state, you may directly
// output to the processes's stdin via your own, similar to how a bash or
// shell script would spawn a process.
print('** Running pub publish');
spawn = await manager.spawn('dart', ['pub', 'publish', '--dry-run']);
await spawn.exitCode;
// Closes stdin for the entire program.
await sharedStdIn.terminate();
}