denoland-deno/cli/tests/testdata/task/deno.json

{
  "tasks": {
    "boolean_logic": "sleep 0.1 && echo 3 && echo 4 & echo 1 && echo 2 || echo NOPE",
    "echo": "echo 1",
    "strings": "deno run main.ts && deno eval \"console.log(\\\"test\\\")\"",
    "exit_code_5": "echo $(echo 10 ; exit 2) && exit 5"
  }
}