Ok, thanks. Now I get the message:
Can't locate object method "autoflush" via package "IO::Handle".
At 12:57 -0400 04/21/2001, Ronald J Kimball wrote:
>On Sat, Apr 21, 2001 at 09:47:08AM -0700, Bill Becker wrote:
>> What's the recommended way of flushing output?
>>
>> My goal is to display a status message on fairly long running task. A
>> bytewise examination of a large-ish file consumes some CPU, I would
>> like to do something like the spinning wheel, but with |/-\-|
>>
>> That would probably mean printing a char, then backspacing, yes?
>
>What you want is to turn on autoflush for the appropriate filehandle.
>
>
>perldoc perlvar:
>
> autoflush HANDLE EXPR
>
> $OUTPUT_AUTOFLUSH
>
> $| If set to nonzero, forces a flush right away and
> after every write or print on the currently
> selected output channel. Default is 0 (regardless
> of whether the channel is actually buffered by the
> system or not; $| tells you only whether you've
> asked Perl explicitly to flush after each write).
> Note that STDOUT will typically be line buffered
> if output is to the terminal and block buffered
> otherwise. Setting this variable is useful
> primarily when you are outputting to a pipe, such
> as when you are running a Perl script under rsh
> and want to see the output as it's happening.
> This has no effect on input buffering. (Mnemonic:
> when you want your pipes to be piping hot.)
>
>
>Ronald