On 2006-08-19, Tim Chase <[EMAIL PROTECTED]> wrote:
>>> can i write a eof to a file descriptor without closing it?
>>
>> No. Not on Windows, OS-X, or Unix. There is no such thing as
>> "an eof".
>>
>> On CP/M Ctrl-Z is used as EOF for text files.
>
> Common Dos/Window convention also uses ctrl+Z (0x1a) for EOF.
>
> c:\> copy con test.txt
> hello
> ^Z
> c:\>
IIRC, ctrl-Z is not used _in_files_ to represent EOF. Only
when text is being entered at the console.
> *nix usually uses ctrl+D (0x04) as an EOF signal...and OS-X
> being Unixish also uses the same.
>
> bash$ cat > test.txt
> hello
> ^D
> bash$
That's just the tty line-discipline layer of the tty driver.
When it sees Ctrl-D as the first thing on a "line", it closes
the file descriptor causing the client to see an EOF. That
feature in the line-discipline layer can be disabled or
configured to use any other character.
I suspect what the OP really needs to do is write a newline and
then flush the stream.
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