Programming | ![]() ![]() |
Using Low-Level File I/O Functions
MATLAB includes a set of low-level file I/O functions that are based on the I/O functions of the ANSI Standard C Library. If you know C, you are probably familiar with these routines. This section covers
The MATLAB file I/O functions use the same programming model as the C language routines. To read or write data, you perform these steps:
fopen
. fopen
returns a file identifier that you use with all the other low-level file I/O routines.
fread
.
fwrite
.
fgets
/fgetl
.
fscanf
.
fprintf
.
fclose
.
This section also describes how these functions affect the current position in the file where read or write operations happen and how you can change the position in the file.
![]() | Using the MATLAB HDF Utility API | Opening Files | ![]() |
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