PUT                      Write Record from Random Buffer to File     File I/O

 PUT [#]filenum [,recnumber]

    Writes a specified record from a specified random file buffer to disk.

     filenum    The number under which the file was OPENed.

   recnumber    A numeric expression in the range 1 to 16,777,216
                specifying the number of the record to be transferred.
                Defaults to the next record, or record 1 (if no previous
                record has been PUT).

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      Notes:    If filenum specifies a communications device, recnumber
                specifies the number of bytes to write; recnumber in this
                case may not exceed the value of LEN given when the
                communications device was OPENed.