vicious/thermal.lua

34 lines
938 B
Lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2009, Adrian C. <anrxc@sysphere.org>
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-- {{{ Grab environment
local tonumber = tonumber
local io = { open = io.open }
local setmetatable = setmetatable
local string = { match = string.match }
-- }}}
-- Thermal: provides temperature levels of ACPI thermal zones
module("vicious.thermal")
-- {{{ Thermal widget type
local function worker(format, thermal_zone)
-- Get an ACPI thermal zone
local f = io.open("/proc/acpi/thermal_zone/"..thermal_zone.."/temperature")
-- Handler for incompetent users
if not f then return {0} end
local line = f:read("*line")
f:close()
local temperature = tonumber(string.match(line, "[%d]?[%d]?[%d]"))
return {temperature}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })