OUTPUT_AUTOFLUSH

Rabotnik has asked for the wisdom of the Perl Monks concerning the following question:

Howdy folks! I read that if u set OUTPUT_AUTOFLUSH to non zero, then auto(buffer)flushing is applied for the "currently selected channel". What is the currently selected channel? The last HANDLE used in print? e.g.

print "asd";
$OUTPUT_AUTOFLUSH=1; #this sets the flushing
[download]

Does this cause autoflushing for STDOUT? Until what (i guess until another HANDLE is used, e.g.: print STDERR "asd";)?

Comment on OUTPUT_AUTOFLUSH Download Code

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Re: OUTPUT_AUTOFLUSH by Juerd (Abbot) on Jun 06, 2002 at 14:20 UTC
It works on the currently selected handle. By the way, you have to use English to use $OUTPUT_AUTOFLUSH. It's easier to use $\| (perlvar) instead. - Yes, I reinvent wheels. - Spam: Visit eurotraQ.	[reply]
Re: OUTPUT_AUTOFLUSH by Beatnik (Parson) on Jun 06, 2002 at 14:19 UTC
You do need English for it, IIRC... It works until you unset that filehandle. You can select another filehandle too ofcourse :) Greetz Beatnik ... Quidquid perl dictum sit, altum viditur.	[reply]
Re: OUTPUT_AUTOFLUSH by Aristotle (Chancellor) on Jun 06, 2002 at 14:51 UTC
By default it works on STDOUT. (As has been said, `select()` another filehandle to change the autoflushing on it.) Note that unlike your example, you should use it prior to performing any operations on that filehandle: `$\|++; print "asd";` [download] As, again, has been said, the variable is really called `$\|`, and the long name is only available if you `use English;`. You can also `use IO::Handle;` and then say `STDOUT->autoflush(1);`. Makeshifts last the longest.	[reply] [d/l] [select]
Re: OUTPUT_AUTOFLUSH by Rabotnik (Initiate) on Jun 11, 2002 at 12:43 UTC
Hi! I fixed my problem... I put $\|++ right @ the start of the script. At first i tried using the same cmd, but somewhere deep in the script (before the 1st print). 10x	[reply]