From: Rajinder Yadav <devguy.ca@...>
Date: 2010-12-21T03:30:59+09:00
Subject: Re: downloading a file

On Mon, Dec 20, 2010 at 1:19 PM, Rajinder Yadav <devguy.ca@gmail.com> wrote:
> On Mon, Dec 20, 2010 at 1:10 PM, Brian Candler <b.candler@pobox.com> wrote:
>> Rajinder Yadav wrote in post #969592:
>>>> Use wget [-c]
>>>
>>> ruby has a wget command? i want to do this from ruby code, and with no
>>> backquote either
>>
>> I was thinking of:
>>
>>    system("wget ....")
>>
>> If you don't have wget on your system, I'm afraid I don't know of an
>> existing Ruby library which does download-to-file with restarting of
>> partial transfers.
>>
>> You can cobble something together using Net::HTTP, but to do the
>> restarts you'll have to use the set_range method to add the Range:
>> header - see RFC 2616 section 14.35.
>>
>> Note that old HTTP servers may ignore the Range: header, so you should
>> check that the response content_range is what you asked for.
>
> well if i just want to download a file, is there something i can use
> that is simple?
>
> i tired using open-uri, but when i read and then save the file it mess
> up the file? something like this
>
> require 'open-uri'
> url = 'http://www.openssl.org/source/openssl-1.0.0c.tar.gz'
> file = open(url)
> c = file.read
>
> f = File.open('openssl-1.0.0c.tar.gz', 'w')
> f.write c
> f.close
>

i'm wondering if there is libcurl solution out there that will
download files, both binary and text?

-- 
Kind Regards,
Rajinder Yadav | DevMentor.org | Do Good! ~ Share Freely

GNU/Linux: 2.6.35-22-generic
Kubuntu x86_64 10.10 | KDE 4.5.1
Ruby 1.9.2p0 | Rails 3.0.1