Hi,
   
  Is there a way to validate the command line argument while going for slient 
istalltion from command prompt.I want to check if string argument that I am 
providing is of length 6 charcter or more then only go for further installation 
othersie exit..
   
  I could see that we can put a check for blank string entry something like in 
   
  <Condition message="some error 
message">><![CDATA[argumentName<>""]</Condition>
   
  But don't know how to consider the check the length of string argument and 
then take appropriate action...
   
  I am new to Wix..could someone please guide me here..
   
  Thanks,
  Nik

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