grunt-byte-order-mark

grunt-contrib-bom

Grunt task to strip or add BOM to files

npm install grunt-byte-order-mark --save-dev

grunt.loadNpmTasks('grunt-byte-order-mark');

bom: {
  addBom: {
    src: 'file-wihtout-bom.txt',
    options: {
      add: true
    }
  },
  removeBom: {
    src: 'file-wiht-bom.txt',
    options: {
      remove: true
    }
  }
}

Lets go dancing!