From 7a69373e2dc7343145f815c8dc1081a1bfc233bb Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Wed, 26 Dec 2018 17:39:20 -0400
Subject: Utility functions for getting files and directories.

---
 stdlib/source/lux/world/file.lux | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/stdlib/source/lux/world/file.lux b/stdlib/source/lux/world/file.lux
index f959e1af3..f0269e52c 100644
--- a/stdlib/source/lux/world/file.lux
+++ b/stdlib/source/lux/world/file.lux
@@ -339,6 +339,24 @@
                    ))
           }))
 
+(do-template [<get> <signature> <create> <find> <exception>]
+  [(def: #export (<get> Monad<!> System<!> path)
+     (All [!] (-> (Monad !) (System !) Path (! (Error (<signature> !)))))
+     (do Monad<!>
+       [outcome (:: System<!> <create> path)]
+       (case outcome
+         (#error.Success file)
+         (wrap (#error.Success file))
+         
+         (#error.Failure error)
+         (if (ex.match? <exception> error)
+           (:: System<!> <find> path)
+           (wrap (#error.Failure error))))))]
+
+  [get-file      File      create-file      file      ..cannot-create-file]
+  [get-directory Directory create-directory directory ..cannot-create-directory]
+  )
+
 (def: #export (exists? Monad<!> System<!> path)
   (All [!] (-> (Monad !) (System !) Path (! Bit)))
   (do Monad<!>
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