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-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.Thermal
-- Copyright : (c) Juraj Hercek
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Juraj Hercek <juhe_haskell@hck.sk>
-- Stability : unstable
-- Portability : unportable
--
-- A thermal monitor for Xmobar
--
-----------------------------------------------------------------------------
module Xmobar.Plugins.Monitors.Thermal where
import qualified Data.ByteString.Lazy.Char8 as B
import Xmobar.Plugins.Monitors.Common
import System.Posix.Files (fileExist)
-- | Default thermal configuration.
thermalConfig :: IO MConfig
thermalConfig = mkMConfig
"Thm: <temp>C" -- template
["temp"] -- available replacements
-- | Retrieves thermal information. Argument is name of thermal directory in
-- \/proc\/acpi\/thermal_zone. Returns the monitor string parsed according to
-- template (either default or user specified).
runThermal :: [String] -> Monitor String
runThermal args = do
let zone = head args
file = "/proc/acpi/thermal_zone/" ++ zone ++ "/temperature"
exists <- io $ fileExist file
if exists
then do number <- io $ fmap ((read :: String -> Int) . stringParser (1, 0)) (B.readFile file)
thermal <- showWithColors show number
parseTemplate [ thermal ]
else return $ "Thermal (" ++ zone ++ "): N/A"
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