From: Tim Hunter <TimHunter@...>
Date: 2008-01-02T03:56:27+09:00
Subject: Re: Best way to download >1GB files

thefed wrote:
> 
> On Dec 31, 2007, at 7:20 PM, Tim Hunter wrote:
> 
>> thefed wrote:
>>> But doesn't open-uri download the whole thing to your compy? I was 
>>> about to use it, but then I ran it in irb and saw it returned a file 
>>> object.
>>
>> Isn't that what you want to happen? I thought your question was about 
>> how to download it in small chunks so it's not all in memory at the 
>> same time. This code downloads the whole file, but 8kb at a time.
> 
> No, I thought when you use Kernel#open with open-uri, it FIRST downloads 
> the entire 1GB file to your temp folder, and THEN runs your block on 
> that file in temp
> 

Interesting. I just tried downloading a 6.1MB file with open-uri and 
didn't see that behavior. I'm using Ruby 1.8.6 on OS X 10.5.


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