+import IO -- 1.3
+
main =
openFile "io013.in" ReadMode >>= \ h ->
hFileSize h >>= \ sz ->
- putText sz >>
- putChar '\n' >>
+ print sz >>
hSeek h SeekFromEnd (-3) >>
hGetChar h >>= \ x ->
putStr (x:"\n") >>
openFile "/dev/null" ReadMode >>= \ h ->
hIsSeekable h >>= \ False ->
hClose h
-
\ No newline at end of file