Sys::Hostname(3perl) Perl Programmers Reference Guide Sys::Hostname(3perl)

Sys::Hostname - Try every conceivable way to get hostname

use Sys::Hostname;
my $host = hostname;

Attempts several methods of getting the system hostname and then caches the result. It tries the first available of the C library's gethostname(), `$Config{aphostname}`, uname(2), syscall(SYS_gethostname), `hostname`, `uname -n`, and the file /com/host. If all that fails it "croak"s.

All NULs, returns, and newlines are removed from the result.

David Sundstrom <>

Texas Instruments

XS code added by Greg Bacon <>

2024-02-11 perl v5.38.2