Sync source to dest with excludes

rammesync.js

#!/usr/bin/env node
const exec = require('child_process').exec

let source = process.argv[2]
let destination = process.argv[3]
let command = `rsync -avz `

for (let i = 4; i < process.argv.length; i++) {
        command += `--exclude "${process.argv[i]}" `
}

command += `${source} ${destination}`

exec(command, (error, stdout, stderr) => {
  if (error) {
    console.error(`exec error: ${error}`)
    return
  }
  console.log(`stdout: ${stdout}`)
  console.log(`stderr: ${stderr}`)
})