19.2.3.5 Reading Records from a Disk File
  You read data by defining a record buffer and reading the
  data from the device with GET statements. After the data
  has been retrieved with a GET statement you can deblock the
  data with MOVE or REMAP statements.

  In the following example, each disk block contains twelve 40-
  byte records. Each record contains a 32-byte string, a 4-byte
  SINGLE number, and a 4-byte LONG integer. After each
  GET operation, the FOR...NEXT loop uses the REMAP state-
  ment to redefine the position of the variables in the record. At
  the end of the file, the program closes the file. See Chapter 8
  and the DEC BASIC and VAX BASIC for OpenVMS Systems
  Reference Manual for more information about the MAP,
  MAP DYNAMIC, and REMAP statements.
  EXAMPLE: Click to display EXAMPLE.