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HEX to Binary

Posted on 2004-08-13
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3,844 Views
Last Modified: 2012-06-27
I'm searching for a function to convert an hex to binary.

For example, I have HEX 40

I want to convert it to: 01000000

does anyone know where I can find code to do this? It has to be regular VB script, I can't load any kind of components or use any .net stuff to do this.
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Question by:WebArchitect_Vince
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2 Comments
 
LVL 52

Expert Comment

by:Carl Tawn
ID: 11797901
You can download a VB project here:  http://www.codearchive.com/dl.php?dlid=474      (Direct link to the zip file)

This project contains a function called "Hex2Bin" that should do what you want.  Its straight forward VB code so you should be able to lift it into you ASP/VBScript page without any modification.

Hope this helps.
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LVL 2

Accepted Solution

by:
funkyfinger earned 500 total points
ID: 11798016
Function Hex2Bin( strHex )

Dim strBin
Dim strDec
Dim i

strDec = Int( Left( strHex, 1) * 16 + Int( Right( strHex ) )

i=8
While( i >= 0 )
  If( (i^2 AND strDec) = i^2 ) Then
      strBin = strBin & "1"
  Else
      strBin = strBin & "0"
  Endif
  i=i-1
WEnd
Hex2Bin = strBin
End Function
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