Unable to download Mac OS X v10.10.5's combo updater file with Terminal's curl command?

Ant

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Jul 22, 2016, 5:46:37 PM7/22/16

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Hello.

Is it me or is Apple blocking Terminal's curl command? I am trying to
download http://support.apple.com/downloads/DL1832/en_US/osxupdcombo10.10.5.dmg,
but I get 0 byte file right away as shown below:

$ curl -O
http://support.apple.com/downloads/DL1832/en_US/osxupdcombo10.10.5.dmg
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left
Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0

I had no problems downloading other random files from other servers
though.

Thank you in advance. :)
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Jolly Roger

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Jul 22, 2016, 5:57:23 PM7/22/16

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On 2016-07-22, Ant <ANT...@zimage.com> wrote:
> Hello.
>
> Is it me or is Apple blocking Terminal's curl command? I am trying to
> download http://support.apple.com/downloads/DL1832/en_US/osxupdcombo10.10.5.dmg,
> but I get 0 byte file right away as shown below:

That's not the actual download URL. If you put that URL in Safari, and
allow the download to start, then click the Safari downloads widget,
and right click the download and choose Copy Address, you will see a URL
similar to this one:

<http://supportdownload.apple.com/download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/Mac_OS_X/downloads/031-30887-20150813-dd50b6d0-41d6-11e5-a5eb-050f11ba098f/osxupdcombo10.10.5.dmg>

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David Empson

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Jul 22, 2016, 6:49:11 PM7/22/16

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Ant <ANT...@zimage.com> wrote:

> Hello.
>
> Is it me or is Apple blocking Terminal's curl command? I am trying to
> download http://support.apple.com/downloads/DL1832/en_US/osxupdcombo10.10.5
> .dmg, but I get 0 byte file right away as shown below:
>
> $ curl -O
> http://support.apple.com/downloads/DL1832/en_US/osxupdcombo10.10.5.dmg
> % Total % Received % Xferd Average Speed Time Time Time Current
> Dload Upload Total Spent Left
> Speed
> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
>
> I had no problems downloading other random files from other servers
> though.
>
> Thank you in advance. :)

As JR said, that isn't the actual download URL. It does a series of HTTP
redirects to the actual download.

That means you need to tell curl to follow redirects, by adding the -L
(or --location) option, e.g. (all on one line):

curl -OL
http://support.apple.com/downloads/DL1832/en_US/osxupdcombo10.10.5.dmg

This worked for me (at least for starting to download the actual dmg - I
aborted it as I don't need another copy).

--
David Empson
dem...@actrix.gen.nz

Ant

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Jul 22, 2016, 9:32:16 PM7/22/16

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Thanks guys! I didn't know it was redirecting. :) I also added "-C -"
parameters to be able to resume since my Internet connection was
unstable (related to the crazy 100F degrees heat wave?). :(

I am used to old wget, but I couldn't get it compiled so I decided to
try curl command. :)