WAV recorder

function recorder()
option = 'n';
option_rec = 'n';
record_len = 0.7;   % Record time length in seconds
sample_freq = 8192; % Sampling frequency in Hertz
sample_time = sample_freq * record_len;

name = input('Enter the file name you want to save the file with: ', 's');
file_name = sprintf('%s.wav', name);
option_rec = input('Press y to record: ', 's');
if option_rec == 'y'
    while option == 'n',
        input('Press enter when ready to record--> ');
        record = wavrecord(sample_time, sample_freq);
        input('Press enter to listen the recorded voice--> ');
        sound(record, sample_freq);
        option = input('Press y to save or n to record again: ', 's');
    end
    wavwrite(record, sample_freq, file_name);
end