Handling Variables :

  With these commands you can manipulate variables, numbers
  and strings in various ways.

  SetVar        Variable String (or var = string)
  DelVar        Variable
  AppVar        Variable Text
  CutVar        SourceVar CUT|COPY CHAR|WORD|LINE Amount DestinationVar
  Counter       Variable INC|DEC Amount
  Append        File String
  JoinFile      Path File Variable
  ParseVar      Variable
  CalcVar       ResultVar  Argument operator Argument
  ReadVar       FileName Start Length Variable
  SearchVar     Variable String CI|CS FIRST|NEXT
  RepVar        Variable OldString NewString CI|CS
  Extract       FromVar ITEM ToVar