systemctl API in Dart

systemctl.dart

import "dart:io";

class SystemCTL {
  static const String CIRCLE = "\u25CF";
  
  final bool useSudo;
  
  SystemCTL({this.useSudo: false});
  
  Future<bool> start(String service) async {
    return (await run(["start", service])).exitCode == 0;
  }
  
  Future<bool> stop(String service) async {
    return (await run(["stop", service])).exitCode == 0;
  }
  
  Future<bool> restart(String service) async {
    return (await run(["restart", service])).exitCode == 0;
  }
  
  Future<bool> reload(String service) async {
    return (await run(["reload", service])).exitCode == 0;
  }
  
  Future<bool> isActive(String service) async => (await run(["is-active", service])).exitCode == 0;
  
  Future<bool> enable(String service) async {
    return (await run(["enable", service])).exitCode == 0;
  }
  
  Future<String> cat(String service) async {
    var result = await run(["cat", service]);
    
    if (result.exitCode != 0) {
      throw new Exception("No Service Found.");
    }
    
    return result.stdout;
  }
  
  Future<bool> disable(String service) async {
    return (await run(["disable", service])).exitCode == 0;
  }
  
  Future<bool> isEnabled(String service) async => (await run(["is-enabled", service])).exitCode == 0;
  
  Future<String> getStatus(String service) async {
    return (await run(["is-active", service])).stdout.trim();
  }
  
  Future<Map<String, String>> getStatuses() async {
    var result = await run(["list-units", "--no-pager", "--plain", "--all"]);
    var out = result.stdout.trim();
    return _parseUnitFilesList(out);
  }
  
  Future<bool> reloadDaemon() async {
    return (await run(["daemon-reload"])).exitCode == 0;
  }
  
  Future<ProcessResult> run(List<String> args) {
    return useSudo ? Process.run("sudo", ["systemctl"]..addAll(args)) : Process.run("systemctl", args);
  }
  
  Map<String, String> _parseUnitFilesList(String out) {
    var lines = out.split("\n")..removeAt(0);
    lines = lines.takeWhile((it) => !it.contains("Reflects whether the unit definition was properly loaded.")).map((it) {
      return it.replaceAll("${CIRCLE}", "").trim();
    }).toList();
    lines.removeWhere((it) => it.trim().isEmpty || it.trim() == " ");
  
    var map = {};
    for (var line in lines) {
      var parts = line.split(" ");
      parts.removeWhere((it) => it.trim().isEmpty || it.trim() == " ");
      var name = parts[0];
      var status = parts[2];
    
      map[name] = status;
    }
    return map;
  }
}

just what i needed for my project thx, but maybe you can add a comment with an example with the api capabilities and examples of how to use them ?