Look up the IP Address by Hostname

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Description

Interface to gethostbyname.

Usage

1
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.

Examples

1
## Not run: nsl("www.r-project.org")

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