var fs = require('fs')

var pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'))

console.log(
  Object.keys(pkg.devDependencies)
    .filter(name => !/^=/.test(pkg.devDependencies[name]))
    .map(name => `${name}@${process.argv[2] || pkg.devDependencies[name]}`)
    .join(' ')
)