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comp.lang.ruby

Re: can't flush print when download open-uri

T. Onoma

11/14/2003 1:31:00 AM

no one responded to this and i still can't get it to work. please help. let me rephrase very simply:

downloading file with open_uri and can't flush print to report download progress.

thanks,
-t0


> I'm confused. why won't this print? I tried flushing the $defout and $stdout as well as the source_file_io, but that doesn't work either.
>
> # download
> prioritized_locations.each do |location|
> begin
> source_file_io = File.open(self.source_path,'w')
> remote_file = open(location)
> while incoming = remote_file.read(512)
> source_file_io.write(incoming)
> # THIS WON'T THIS PRINT!!!!!!!!!!!
> print "\ca{source_file_io.pos}KB/#{@source_size}KB"
> end
> rescue
> puts "#{location} failed"
> remote_file.close unless remote_file.nil?
> source_file_io.close unless source_file_io.nil?
> next # try next location
> else
> puts ' Done.'
> break # we got it
> ensure
> remote_file.close unless remote_file.nil?
> source_file_io.close unless source_file_io.nil?
> end
> end
>
> -t0

1 Answer

Gregory Millam

11/14/2003 1:58:00 AM

0

Received: Fri, 14 Nov 2003 10:30:45 +0900
And lo T. wrote:

> > (snip)
> > source_file_io.write(incoming)
> > # THIS WON'T THIS PRINT!!!!!!!!!!!
> > print "\ca{source_file_io.pos}KB/#{@source_size}KB"
STDOUT.flush
> > end
> > rescue
> > (/snip)