setupLogger logFileRealName = do
    handler <- fileHandler logFileRealName INFO
    let handler' = setFormatter handler defaultFormatter
    updateGlobalLogger loggerName $ addHandler handler'
    updateGlobalLogger loggerName $ setLevel INFO
setupLogger logFileRealName = do
    handler <- fileHandler logFileRealName INFO
    let handler' = setFormatter handler defaultFormatter
    updateGlobalLogger loggerName $ addHandler handler'
    updateGlobalLogger loggerName $ setLevel INFO
setupLogger logFileRealName = do
    handler <- fileHandler logFileRealName INFO
    let handler' = setFormatter handler defaultFormatter
    updateGlobalLogger loggerName $ addHandler handler'
    updateGlobalLogger loggerName $ setLevel INFO