Reaktor.API: make configurable

1 files changed, 17 insertions, 0 deletions

diff --git a/src/System/Posix/Files/Extended.hs b/src/System/Posix/Files/Extended.hs
new file mode 100644
index 0000000..da82359
--- /dev/null
+++ b/src/System/Posix/Files/Extended.hs
@@ -0,0 +1,17 @@
+module System.Posix.Files.Extended
+    ( module Exports
+    , removeIfExists
+    ) where
+
+import qualified System.Posix.Files as Exports
+
+import Control.Exception (catch, throwIO)
+import System.IO.Error (isDoesNotExistError)
+import System.Posix.Files (removeLink)
+
+removeIfExists :: FilePath -> IO ()
+removeIfExists fileName = removeLink fileName `catch` handleExists
+  where handleExists e
+          | isDoesNotExistError e = return ()
+          | otherwise = throwIO e
+