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cybertopo
Level 2
‎Jul 28, 2009 02:25 PM

Prerequisite PRQ automatic generation

Hi,

I need to automatically generate a .prq file from a script. For this I need to know how to generate the properties ID and I need the algorithm used by installshield to generate the checksum of the linked .msi file.

I did some comparison and the checksum doesn't seem to be MD4 or MD5

anyone?

thank you
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(3) Replies
MichaelU
Level 12 Flexeran
Level 12 Flexeran
‎Jul 28, 2009 05:54 PM

It should be an MD5 checksum, represented as a hexadecimal string.
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cybertopo
Level 2
‎Aug 10, 2009 08:59 AM

Oh great, I had a mismatch because the .msi as changed in between but now I see it's the good MD5 number in the prq file.

But now how can I generate the properties ID? It's a GUID in the .prq file...
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MichaelU
Level 12 Flexeran
Level 12 Flexeran
‎Aug 10, 2009 10:20 AM

That should just be a new unique GUID to uniquely identify the file; it has no derived meaning.
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