1  –  Formatted

  Translates the data from character to binary format as specified by
  format specifications.  Statement formats:

  1. READ (extu, fmt [,adv][,size][,iostat][,err][,end][,eor]) [iolist]

     Reads from a specified external unit.

  2. READ fmt [,iolist]

     Reads from FOR$READ (normally, the terminal).

2  –  List-directed

  List-directed sequential READ statement formats:

  1. READ(extu,*[,iostat][,err][,end])[iolist]

     Reads from a specified external unit.
     Translates the data from character to binary
     format according to the data types of the
     variables in the I/O list.

  2. READ * [,iolist]

     Reads from FOR$READ (normally, the terminal).
     Translates the data from character to binary
     format according to the data types of the
     variables in the I/O list.

3  –  Namelist

  Namelist sequential READ statement formats:

  1. READ (extu,nml [,iostat][,err][,end])

     Reads from a specified external unit.  Translates
     the data from character to binary format according
     to the data types of the list entities in the
     corresponding NAMELIST statement.

  2. READ nml

     Reads from FOR$READ (normally, the terminal).
     Translates the data from character to binary format
     according to the data types of the entities in the
     corresponding NAMELIST statement.

4  –  Unformatted

  Unformatted sequential READ statement format:

     READ (extu,[,iostat][,err][,end]) [iolist]

  Reads from a specified external unit.  Does not translate the data.