17 Feb
2008
17 Feb
'08
1:36 a.m.
On Sat, Feb 16, 2008 at 05:11:59PM -0800, Bryan O'Sullivan wrote:
Donn Cave wrote:
But in Haskell, you cannot read a file line by line without writing an exception handler, because end of file is an exception!
Ah, yet another person who has never found System.IO.hIsEOF :-)
Whereas in C or Python you would check the return value of read against zero or an empty string, in Haskell you call hIsEOF *before* a read.
I'll bet that breaks horribly in the not-so-corner case of /dev/tty. Stefan