11 lines
315 B
Haskell
11 lines
315 B
Haskell
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import System.Exit
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main :: IO ()
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main = do
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freeMemory <- read
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<$> (!!1) <$> words
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<$> (!!2) <$> lines
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<$> readFile "/proc/meminfo"
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putStrLn $ (take 5 $ show $ freeMemory / 1000000) ++ "GB"
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exitWith $ if freeMemory > 500000 then ExitSuccess else ExitFailure 33
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