bin/cli.js
function usage (exitCode) {
  const rs = fs.createReadStream(path.join(__dirname, '/usage.txt'))
  const ws = process.stdout
  rs.pipe(ws)
  ws.on('finish', process.exit.bind(null, exitCode))
}
function usage (exitCode) {
  const rs = fs.createReadStream(path.join(__dirname, '/usage.txt'))
  const ws = process.stdout
  rs.pipe(ws)
  ws.on('finish', process.exit.bind(null, exitCode))
}
function usage ( exitCode ) { const rs = fs . createReadStream ( path . join ( __dirname , '/usage.txt' ) ) const ws = process . stdout rs . pipe ( ws ) ws . on ( 'finish' , process . exit . bind ( null , exitCode ) ) }
print usage & exit num? -> null
print usage & exit num? - > null