diff options
Diffstat (limited to 'src/Text/Pandoc/Shared.hs')
| -rw-r--r-- | src/Text/Pandoc/Shared.hs | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs index d670a35bc..72b467da5 100644 --- a/src/Text/Pandoc/Shared.hs +++ b/src/Text/Pandoc/Shared.hs @@ -583,8 +583,7 @@ readDefaultDataFile :: FilePath -> IO BS.ByteString readDefaultDataFile fname = #ifdef EMBED_DATA_FILES case lookup (makeCanonical fname) dataFiles of - Nothing -> ioError $ userError - $ "Data file `" ++ fname ++ "' does not exist" + Nothing -> err 97 $ "Could not find data file " ++ fname Just contents -> return contents where makeCanonical = joinPath . transformPathParts . splitDirectories transformPathParts = reverse . foldl go [] @@ -592,7 +591,12 @@ readDefaultDataFile fname = go (_:as) ".." = as go as x = x : as #else - getDataFileName ("data" </> fname) >>= BS.readFile + getDataFileName ("data" </> fname) >>= checkExistence >>= BS.readFile + where checkExistence fn = do + exists <- doesFileExist fn + if exists + then return fn + else err 97 ("Could not find data file " ++ fname) #endif -- | Read file from specified user data directory or, if not found there, from |