help:
  text: Execute the argv array in a local JSON file.
  expects:
  - name: command
    desc: JSON file containing a nonempty array of strings
    mandatory: true
ojob:
  logToConsole: false
  catch: |
    printErr("process: " + exception);
    exit(1);
jobs:
- name: Run command
  check:
    in:
      command: isString
  exec: |
    var command = _$(io.readFileJSON(args.command), "argv").isArray().$_();
    if (command.length === 0) throw "argv must not be empty";
    command.forEach(function(arg) { _$(arg, "argv element").isString().$_(); });
    var result = $sh(command).get(0);
    if (Number(result.exitcode) !== 0) throw "Child exited with " + result.exitcode;
    print(stringify({ stdout: result.stdout, stderr: result.stderr, exitcode: Number(result.exitcode) }, __, ""));
todo:
- Run command