meillo@160: #!/bin/sh
meillo@160: #
meillo@160: # try several ways to guess the hostname
meillo@160: 
meillo@160: (
meillo@160: 
meillo@160: # this is what Debian uses
meillo@160: cat /etc/mailname
meillo@160: 
meillo@160: # this is often the short hostname
meillo@160: cat /etc/hostname
meillo@160: 
meillo@160: # this file was mentioned on the Internet
meillo@160: cat /etc/HOSTNAME
meillo@160: 
meillo@160: # probably a good value on GNU/Linux
meillo@160: hostname -f
meillo@160: 
meillo@160: # often the short hostname, but widely available
meillo@160: hostname
meillo@160: 
meillo@160: ) 2>/dev/null | sort -u