{
  "name": "js-stdin-example",
  "version": "1.0.0",
  "description": "JavaScript standard input example",
  "scripts": {
    "start": "nodemon -w . -e js,txt -x 'npm run lint --silent && npm run exec'",
    "exec": "cat input.txt | node index.js",
    "lint": "eslint index.js",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/inotom/js-stdin-example.git"
  },
  "keywords": [],
  "author": "iNo <wdf7322@yahoo.co.jp>",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/inotom/js-stdin-example/issues"
  },
  "homepage": "https://github.com/inotom/js-stdin-example#readme",
  "devDependencies": {
    "eslint": "^4.6.1",
    "nodemon": "^1.12.0"
  }
}

{
  "name": "js-stdin-example",
  "version": "1.0.0",
  "description": "JavaScript standard input example",
  "scripts": {
    "start": "nodemon -w . -e js,txt -x 'npm run lint --silent && npm run exec --silent'",
    "exec": "cat input.txt | node index.js",
    "lint": "eslint index.js",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/inotom/js-stdin-example.git"
  },
  "keywords": [],
  "author": "iNo <wdf7322@yahoo.co.jp>",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/inotom/js-stdin-example/issues"
  },
  "homepage": "https://github.com/inotom/js-stdin-example#readme",
  "devDependencies": {
    "eslint": "^4.6.1",
    "nodemon": "^1.12.0"
  }
}

Modify npm script run with silent mode
Modify npm script run with silent mode
