readb - fortran file binary read

Calling Sequence

x=readb(file-name,m,n [,rec])

Parameters

• file-name : string or integer
• m, n : integers (dimensions of the matrix x). Set m=-1 if you do not know the numbers of rows, so all the file is read
• rec : vector of positive integers. the selected records for direct access. This vector size must be equal to the number of rows of desired x .

Description

binary read of the matrix x in the file file-name . Matrix entries are supposed to have been stored on 8 byte words.

For direct record access, file must have been previously opened using file function to set the record_length. file-name must be the result of the file function.

See Also

file ,   write ,   writb ,   mget ,   read4b ,