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WUD skip already downloaded content?


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3 replies to this topic

#1
Over.Kill

Over.Kill

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So I have 2 folders set up:
G:\sandbox\WUD\x86
G:\sandbox\WUD\x64

I have been planning on using WUD to slipstream updates into my Win7 All-In-One ISO for my new ISOSTICK! , and repeat for laughs on 8, Vista, and XP since I will occasionally use them as well.

WUD seems to enjoy crashing at inopportune times, and if I open it back up, it will make me either manually select updates (I'm guessing green = already exists), or re-download all of them! This means, as the months go on, and a couple of updates are added, I will have to figure out what is/isn't already there.

If I'm missing something, please enlighten/tease/harass me as you wish =)

otherwise, think about adding this in?

> Define function to check if update exists, and compare file sizes to see if they match
> check if local file exists where update will be saved
> if false, then exit function and perform update
> else, check to see if file sizes match
> if true, exit function and skip update
> else, delete local file and perform update
> close function


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#2
trupper

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  • Joined 27-April 09

So I have 2 folders set up:
G:\sandbox\WUD\x86
G:\sandbox\WUD\x64

I have been planning on using WUD to slipstream updates into my Win7 All-In-One ISO for my new ISOSTICK! , and repeat for laughs on 8, Vista, and XP since I will occasionally use them as well.

WUD seems to enjoy crashing at inopportune times, and if I open it back up, it will make me either manually select updates (I'm guessing green = already exists), or re-download all of them! This means, as the months go on, and a couple of updates are added, I will have to figure out what is/isn't already there.

If I'm missing something, please enlighten/tease/harass me as you wish =)

otherwise, think about adding this in?

> Define function to check if update exists, and compare file sizes to see if they match
> check if local file exists where update will be saved
> if false, then exit function and perform update
> else, check to see if file sizes match
> if true, exit function and skip update
> else, delete local file and perform update
> close function

I was wondering regarding similar issues, not a complaint but just discussing about it.

I've chance to download the updates through Wifi only spots and sometimes the connection gets lost and WUD hungs, no problem I restart the program but WUD still keeps track of the latest partially (corrupted) downloaded file, so what I do is I download it again to be safe.
The problem arises because if I choose to download multiple files and Wifi connection gets lost then you can understand I don't know which downloaded file is safe or not so I must download updates one by one to avoid problems.

Isostick in very interesting for portability and usability but very very expensive (add memory cards cost too) and not safe in my opinion.
A burned disc cannot be corrupted by a virus attack but a volatile memory support can.

Many thanks to WUD developer for giving us this beautiful program.

#3
jmthomas

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  • Joined 06-May 04

Any progess so far?

 

Sure would be nice to just get the new/changed updates, not everything from the beginning of time...



#4
submix8c

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???

Any progess so far?

 

Sure would be nice to just get the new/changed updates, not everything from the beginning of time...

So, you're experiencing the above failure, incomplete/corrupt files due to interrupted internet connection?

 

If not, then what's the problem?

 

edit - AH! I see the "problem". WUD doesn't use Checksums so it's unknown if any given download worked properly.

An excerpt from an UL

<updates>
  <update id="KB2809289" category="1" publishdate="2013-03-12" article="http://support.microsoft.com/kb/2809289">
    <title>Cumulative Security Update for Internet Explorer 8 in Windows XP (KB2809289)</title>
    <description>Security issues have been identified that could allow an attacker to compromise a computer running Microsoft Internet Explorer and gain control over it.</description>
    <filename>IE8-WindowsXP-KB2809289-x86-ENU.exe</filename>
    <url>http://download.microsoft.com/download/2/E/B/2EBBCB78-CB4F-4B0E-868E-FC879DA3436F/IE8-WindowsXP-KB2809289-x86-ENU.exe</url>
This would require a change to both WUD and how the UL is constructed. Not sure if the Developer is interested in the "fix" or not, since it would "break" using any other older UL's, unless a check is made for a Checksum field, in which case the problem would still exist. Please note -many- older UL's exist and haven't been updated for a while.

 

HTH


Edited by submix8c, 12 April 2014 - 10:21 AM.

Someday the tyrants will be unthroned... Jason "Jay" Chasteen; RIP, bro!

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