I assumed read() never fails the way it is written. It takes input directly
through the standard input from the user.
when I ran the program, the only way to stop it (other than entering "." )
was to press Ctrl+C or Ctrl+Z. In both cases the program just terminates.
I don't know how to "fail" read() in this case. It keeps asking for more.
On Thu, Oct 29, 2009 at 1:15 PM, Steve Wampler <[email protected]> wrote:
> Jafar Al-Gharaibeh wrote:
>
>> "while word_length(read())" is an infinite loop because the procedure
>> word_length() always succeeded ( return at the end).
>>
>
> Actually, no. Since the read() will fail at some point in the loop
> [unless the input is *really* long!], the expression as a whole will
> fail (without even calling word_length()) and the loop will terminate.
> The stop("Bye") is the big problem.
>
> There are also issues with the way the word-count loop is implemented,
> it fails to count accurately on all sorts of input!
>
> --
> Steve Wampler -- [email protected]
> The gods that smiled on your birth are now laughing out loud.
>
--
"Let there be no compulsion in religion: Truth stands out clear from error"
[The Holy Qur'an 2:256]
"Injustice anywhere is a threat to justice everywhere" Dr. King
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