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Binary parsing of a variable?

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Binary parsing of a variable? - 12/5/2005 5:29:40 AM   
  stickyc

 

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Status: offline 		I'd like to be able to use a serial number to drive the available set of Features in a Wise installer. The thinking is that I'd use one byte of the serial number as a bit-mask, each bit would set a Property indicating if the user has access to a certain Feature or not.

I'm new to VBscript, are there any tricks to go about doing this? Off the top of my head, I figured I would get the mid$ of the variable to isolate the one byte I was using as the key, then do a series of OR statements with each possibility (looping is out, since each Property being set needs to be a descriptive name).

Is there a better way?
 
 
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RE: Binary parsing of a variable? - 12/6/2005 5:39:23 AM   
  didorno

 

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From:
Status: offline 		stickyc    

Maybe you can use the AND operator.

result = expression1 And expression2

The And operator also performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in result.


Good luck !

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