local os = _G.os

local shell = require("shellex.shell")
local args = shell.parse(...)
local hostname = args[1]

if hostname then
	os.setComputerLabel(hostname)
else
	hostname = os.getComputerLabel()
	if hostname then
		print(hostname)
	else
		io.stderr:write("Hostname not set\n")
		return 1
	end
end