text: #!/usr/env node
  const ncp = require('ncp').ncp
  
  ncp.limit = 16
  
  const source = process.argv[2]
  const destination = process.argv[3]
  
  ncp(source, destination, { clobber: false }, err => {
    if (err) {
      console.error(err)
      process.exit(1)
    }
    console.log(`${source} copied to ${destination} if not already exists.`)
    process.exit(0)
  })
  