results are sorted in the natural manner when multiple outputs are evaluated

geval.cabal

@@ -61,6 +61,7 @@ library
                      , bzlib-conduit
                      , lzma-conduit
                      , Glob
+                     , naturalcomp
   default-language:    Haskell2010
 
 executable geval

src/GEval/Core.hs

@@ -58,6 +58,8 @@ import System.FilePath
 import Data.Maybe
 import Data.Tuple
 import qualified Data.List.Split as DLS
+import Data.List (sortBy)
+import Text.NaturalComp
 
 import Control.Monad.IO.Class
 import Control.Monad ((<=<), filterM)
@@ -276,7 +278,8 @@ data LineSource m = LineSource (Source m Text) SourceSpec Word32
 geval :: GEvalSpecification -> IO [(SourceSpec, [MetricValue])]
 geval gevalSpec = do
   (inputSource, expectedSource, outSources) <- checkAndGetFiles False gevalSpec
-  Prelude.mapM (gevalOnSingleOut gevalSpec inputSource expectedSource) outSources
+  results <- Prelude.mapM (gevalOnSingleOut gevalSpec inputSource expectedSource) outSources
+  return $ sortBy (\a b ->  (show $ fst a) `naturalComp` (show $ fst b)) results
 
 gevalOnSingleOut :: GEvalSpecification -> SourceSpec -> SourceSpec -> SourceSpec -> IO (SourceSpec, [MetricValue])
 gevalOnSingleOut gevalSpec inputSource expectedSource outSource = do

stack.yaml

@@ -1,5 +1,5 @@
 flags: {}
 packages:
 - '.'
-extra-deps: [murmur3-1.0.3]
+extra-deps: [murmur3-1.0.3,naturalcomp-0.0.3]
 resolver: lts-11.9