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OPEN mode2$,[#]filenum%,file$[,reclen%]
 
    ■ mode2       A string expression that begins with one of the
                  following characters and specifying the file mode:
                    ║ O    Sequential output mode.
                    ║ I    Sequential input mode.
                    ║ R    Random-access file input/output mode.
                    ║ B    Binary file mode.
                    ║ A    Sequential output mode. Sets the file
                    ║      pointer to the end of the file and the
                    ║      record number to the last record of the
                    ║      file. A PRINT # or WRITE # statement
                    ║      extends (appends to) the file.
    ■ filenum%    An integer expression with a value between 1 and 255.
    ■ file$       A string expression specifying a filename or path.
    ■ reclen%     Random-access files:    The record length.
                  Sequential files:       The number of characters buffered.
 
Important
    ■ This alternate syntax does not support any of the access and
      file-sharing options found in the primary syntax. It is supported
      for compatibility with programs written in earlier versions of BASIC.
 
See Also    ◄OPEN (File I/O)►