manta_job.json

{
  "phases": [
    {
      "type": "reduce",
      "assets": ["/wanelo/stor/s3tomanta-logfiles"],
      "exec": "head -n 10 $MANTA_INPUT_FILE | mpipe"
    },
    {
       "type": "map",
       "exec": "echo 'input object:' $(cat $MANTA_INPUT_FILE)"
    }
  ]
}