Add RealPath module

Author: rnjtranjan

src/Streamly/Coreutils/RealPath.hs

@@ -0,0 +1,21 @@
+-- |
+-- Module      : Streamly.Coreutils.RealPath
+-- Copyright   : (c) 2022 Composewell Technologies
+-- License     : BSD-3-Clause
+-- Maintainer  : streamly@composewell.com
+-- Stability   : experimental
+-- Portability : GHC
+--
+-- Returns resolved symbolic link target.
+
+module Streamly.Coreutils.RealPath
+    (realPath)
+where
+
+import System.Directory (canonicalizePath )
+
+-- | Make a path absolute, normalize the path,
+-- and remove as many indirections from it as possible.
+
+realPath :: FilePath -> IO FilePath
+realPath = canonicalizePath

streamly-coreutils.cabal

@@ -98,6 +98,7 @@ library
     , Streamly.Coreutils.Common
     , Streamly.Coreutils.Cp
     , Streamly.Coreutils.FileTest
+    , Streamly.Coreutils.RealPath
     , Streamly.Coreutils.ShellWords
     , Streamly.Coreutils.Uniq
     , Streamly.Coreutils.Which