root/library/doc/tutorial/src/write_it_file.cpp @ 1207

#include <itpp/itcomm.h>

using namespace itpp;

int main() {
    // Declare the it_file class
    it_file ff;

    // Open a file with the name "it_file_test.it"
    ff.open ( "it_file_test.it" );

    // Create some data to put into the file
    vec a = linspace ( 1, 20, 20 );

    // Put the variable a into the file. The Name("a") tells the file class
    // that the next variable shall be named "a".
    ff << Name ( "a" ) << a;

    // Force the file to be written to disc. This is useful when performing
    // iterations and ensures that the information is not stored in any cache
    // memory. In this simple example it is not necessary to flush the file.
    ff.flush();

    // Close the file
    ff.close();

    // Exit program
    return 0;
}