{
  "variables": {
    "HOME": "/tmp/world_test"
  },
  "calendars": {
    "std": { "mask": [ "Mon", "Tue", "Wed", "Thu", "Fri" ] }
  },
  "tasks": {
    "task_a": {
      "up": { "command": "/usr//bin/touch ${HOME}/task_a_${yyyymmdd}${hhmmss}", "resources": { "cores": 1 } },
      "down": { "command": "/bin/rm ${HOME}/task_a_${yyyymmdd}${hhmmss}", "resources": { "cores": 1 } },
      "check": { "command": "/bin/test -e ${HOME}/task_a_${yyyymmdd}${hhmmss}", "resources": { "cores": 1 } },

      "provides": [ "task_a" ],

      "calendar_name": "std",
      "times": [ "09:00:00", "12:00:00"],
      "timezone": "America/New_York",

      "valid_from": "2022-01-01T09:00:00",
      "valid_to": "2023-01-08T09:00:00"
    },
    "task_b": {
      "up": { "command": "/usr//bin/touch ${HOME}/task_b_${yyyymmdd}${hhmmss}", "resources": { "cores": 1 } },
      "down": { "command": "/bin/rm ${HOME}/task_b_${yyyymmdd}${hhmmss}", "resources": { "cores": 1 } },
      "check": { "command": "/bin/test -e ${HOME}/task_b_${yyyymmdd}${hhmmss}", "resources": { "cores": 1 } },

      "provides": [ "task_b" ],
      "requires": [ { "resource": "task_a", "offset": 0 } ],

      "calendar_name": "std",
      "times": [ "17:00:00" ],
      "timezone": "America/New_York",

      "valid_from": "2022-01-04T09:00:00",
      "valid_to": "2023-01-07T00:00:00"
    }
  }
}