blob: d6f0e34a41863aabf7cc268309dd8e07fb698c80 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#! /usr/bin/env runhaskell
import Data.Time (getZonedTime)
import Text.Printf (printf)
import System.Process (runInteractiveCommand)
import Data.List
import System.IO (hGetContents)
getOutput :: String -> IO String
getOutput cmd = do
(_, out, _, _) <- runInteractiveCommand cmd
hGetContents out
memParse :: String -> String
memParse file =
let content = map words $ take 4 $ lines file
[total, free, buffer, cache] = map (\line -> (read $ line !! 1 :: Float) / 1024) content
rest = free + buffer + cache
used = total - rest
usedratio = used * 100 / total
in
printf "MEM: %sM %.1f%% used %.0fM rest" used usedratio rest
mem :: IO String
mem = do
file <- readFile "/proc/meminfo"
return $ memParse file
time :: IO String
time = do
now <- getZonedTime
return $ take 16 $ show now
temp :: IO String
temp = do
file <- readFile "/proc/acpi/thermal_zone/THRM/temperature"
let t = (words file) !! 1
return $ "TEMP: " ++ t ++ "C"
takeTail :: Int -> [a] -> [a]
takeTail n xs =
let len = length xs in
drop (len-n) xs
load :: IO String
load = do
content <- getOutput "uptime"
let l = map (delete ',') $ takeTail 3 $ words content
return $ unwords $ "LOAD:" : l
sep :: IO String
sep = return " "
main = do
putStr ""
mapM_ (>>=putStr) $ intersperse sep [load, temp, mem, time]
putChar '\n'
|
