nsl

0th

Percentile

Look up the IP Address by Hostname

Interface to gethostbyname.

Keywords
utilities
Usage
nsl(hostname)
Arguments
hostname
the name of the host.
Details

This was included as a test of internet connectivity, to fail if the node running R is not connected. It will also return NULL if BSD networking is not supported, including the header file arpa/inet.h. This function is not available on Windows.

Value

The IP address, as a character string, or NULL if the call fails.

Aliases
  • nsl
Examples
library(utils) ## Not run: nsl("www.r-project.org")
Documentation reproduced from package utils, version 3.3.2, License: Part of R 3.3.2

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