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 Sh_get_defaults 
  
 Script to to extract information from the sites.defaults file
  
 Usage: sh_get_defaults -token <token> -expt <expt> -not 
  
 Where: 
  
 <token>  Is the name of the token used to extract site list
 <expt>   Is the name of the current experiment
 -not     Returns the list of sites, NOT in the expt given, for a given token
  
 Example: sh_get_defaults -token ftprnx -expt nepa
 Example: sh_get_defaults -token ftprnx -expt nepa -not
 Both -token and -expt are optional but not simulataneously
  
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