MATLAB Programming - A Guide to MATLAB for Beginners and Experienced Users - page 120

or unix in case you have previously run an external program and saved the
results in a file.

MATLAB 6 also offers an interactive tool called the Import Wizard to read
data from files (or the system clipboard) in different formats; to start it type
uiimport (optionally followed by a file name) or select File : Import
Data... .

For more control over file input and output — for example to annotate
numeric output withtext — you can use fopen , fprintf , and related com-
mands. MATLAB also has commands to read and write graphics and sound
files. Type help iofun for an overview of input and output functions.