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  1. Synopsis:
  2.    $getenv(<variable>)
  3.  
  4. Technical:
  5.    This function returns the <variable> from the shell's environment.
  6.  
  7. Practical:
  8.    This function is especially useful when a /set or /assign variable
  9.    conflicts with an environment variable.
  10.  
  11. Returns:
  12.    Value of <variable> in the environment.
  13.  
  14.