Script will break with newer versions of npm

[glenpike]

See npm/npm#11495

Affects "saving" of existing package list for re-install:

https://github.com/glenpike/npm-g_nosudo/blob/master/npm-g-nosudo.sh#L50

[petarmihaylov]

While a limited use case scenario, if you are using this for a vagrant setup and you are running it before installing any modules, this script will work for you.