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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Unsorted
Test for Puppy 1.0.5rc CD quality
Moderators: deshlab, Flash, GuestToo, Ian, JohnMurga, Lobster
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GuestToo
Puppy Master

Joined: 04 May 2005
Posts: 4078

PostPosted: Sat 17 Sep 2005, 06:22    Post_subject:  Test for Puppy 1.0.5rc CD quality  

Test Puppy 1.0.5rc CD

this program tests a Puppy 1.0.5rc CD
and tells you if the CD burned properly or not

Useage:
put the CD in the drive
click md5sum-cd105rc in my-documents

this program was tested by dewdrop
and seems to work ok
md5sum-cd105rc.pup
Description  Test Puppy 1.0.5rc CD
pup

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Filename  md5sum-cd105rc.pup 
Filesize  1.3 KB 
Downloaded  311 Time(s) 

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dewdrop


Joined: 29 Aug 2005
Posts: 298
Location: Texas USA

PostPosted: Sat 17 Sep 2005, 16:59    Post_subject: Re: Test for Puppy 1.0.5rc CD quality  

GuestToo wrote:
Test Puppy 1.0.5rc CD

this program tests a Puppy 1.0.5rc CD
and tells you if the CD burned properly or not

Useage:
put the CD in the drive
click md5sum-cd105rc in my-documents

this program is untested
(i don't have a Puppy cd to test it)


Hi GuestToo,

I have 2 copies of 1.0.5rc1 (one burned with WindowsXP, and one burned with Gcombust). Both copies checked by your tester program came back "ok".

I guess that means your program works...Smile

Dewdrop
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GuestToo
Puppy Master

Joined: 04 May 2005
Posts: 4078

PostPosted: Sat 17 Sep 2005, 19:16    Post_subject:  

great ... thanks for the feedback

if it says it's ok, it almost certainly is ok
it checks the md5sum of the cd, and if even 1 byte is different from the iso, the md5sum won't match

if it's says it's not ok, it might still be ok
it might be a relatively unimportant byte that's wrong
or it might not read well on that drive but it will read ok on other drives

the program just does something like this:
md5sum /dev/hdc
which actually works sometimes
but sometimes there are problems with the read-ahead bug or with padding characters, so it's safer to use dd to read the exact number of bytes from the cd
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