stdoutScanner.js

const spawn = require('child_process').spawn
const exec = require('child_process').exec
const fork = require('child_process').fork
const miner = spawn("./miner.sh")

const shouldRestart = (line) => {
  const launchFailString = new RegExp(/unspecified launch failure/)
  const staleDataString = new RegExp(/Submitting stale solution/)
  return launchFailString.test(line) || staleDataString.test(line)
}

miner.stdout.on('data', (data) => {
  if (shouldRestart(data)) {
    // exec('reboot') or fork("./stdoutScanner.js")
  }
})

miner.stderr.on('data', (data) => {
  console.log(`stderr: ${data}`);
});

miner.on('close', (code) => {
  console.log(`Miner exited with code: ${code}`)
})