bas7qck.hlp (Table of Contents; Topic list)
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BOF Function
  Syntax  Details  Example                 Contents  Index  Back
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BOF(filenumber%)
 
    ■ filenumber%    The number of an open ISAM table.
 
Returns
    True (nonzero) if the current position is before the first record
    according to the current index.
 
See Also    EOF    LOC    LOF    OPEN (File I/O)