Provided by: node-npmrc_1.1.1-1_all 

NAME
npmrc - Switch between different .npmrc files with ease and grace.
DESCRIPTION
Usage:
npmrc list all profiles
npmrc [name]
change npmrc profile (uses fuzzy matching)
npmrc -c [name]
create a new npmrc profile called name
npmrc -r [registry]
use an npm mirror
Available mirrors for npmrc -r:
au - Australian registry mirror
eu - European registry mirror
cn - Chinese registry mirror
default - Default registry
Example:
# Creating and activating a new .npmrc called "work": $ npmrc -c work
# Switch betwen "work" and "default" $ npmrc work $ npmrc default # Use the European npm mirror $
npmrc -r eu
NPMRC(1)