Returns a character string comprising the local network IPv4 address, or
vector if there are multiple addresses from multiple network adapters, or
an empty character string if unavailable.
Value
A named character string.
Details
The IP addresses will be named by interface (adapter friendly name on
Windows) e.g. 'eth0' or 'en0'.
Examples
ip_addr()
#> eth0 docker0
#> "10.1.1.12" "172.17.0.1"
