It is working, but when I uncomment the section that is comment inted or adding one song, it adds all of them.

It is working, but when I uncomment the section that is comment inted or adding one song, it adds all of them. example

if ihave 20 songs and i add one it will copy all 20 plus the one added and then they became 41 insted of 21.

code

fprintf(' Let''s get started! \n');

% Define variables.

SongFound = 0;

exitflag = false;

ModSelection = input(' Would you like to sign in as a User or Administrator? ','s');

while strcmpi(ModSelection ,'User') ~=1 && strcmpi(ModSelection ,'Administrator') ~=1

fprintf(' You have selected a not existing option. \n');

ModSelection = input(' Are you a User or an Administrator ','s');

end

if strcmpi(ModSelection ,'Administrator')

fprintf(' Welcome to the MusicLive hardcore. \n');

% admname = input(' What is your Username? ','s');

% while admname ~= "AdmMusicLive"

% fprintf(' Incorrect username! \n');

% admname = input(' What is your username, NERD!!! ','s');

% end

% fprintf(' Username correct \n');

% admpassword = input(' What is your password? ','s');

% while admpassword ~= "AdmPassword"

% fprintf(' Incorrect password! \n');

% admpassword = input(' What is the correct password, NERD!!! ','s');

% end

% fprintf(' Password correct \n');

% fprintf(' %s, you have successfully entered into hardcode of the software. \n', User_Name);

% fprintf(' You will have access to Add, Delete and Edit the software database. \n')

while ~exitflag

OptSelection = input(' Wound you like to Add, Delete, or Edit a song? ', 's');

while strcmpi(OptSelection,'Add') ~=1 && strcmpi(OptSelection,'Delete') ~=1 ...

&& strcmpi(OptSelection,'Edit') ~=1

fprintf(' You have selected a not existing option \n');

OptSelection = input(' Selected a valid option ','s');

end

%--------------------------------------------------------------------------------

if strcmpi(OptSelection,"Add")

SongName = input(" What is the song's name? ",'s');

while isempty(SongName)

fprintf(' Invalid name, enter a name with only alphabetical characters \n');

SongName = input(" What is the song's name? ",'s');

end

fprintf(" The name of the new songs was entered correctly \n");

fprintf(" \n");

SongSinger = input(' Who is the song''s singer ','s');

while isempty(SongSinger)

fprintf(' Invalid name, enter a name with only alphabetical characters \n');

SongSinger= input(" How is the song''s singer ",'s');

end

fprintf(" The singer of the new songs was entered correctly \n");

fprintf(" \n");

SongTime = input(" What is the song's length in minutes (round to the nearest whole number)? ");

while isempty(SongTime) || SongTime < 0

fprintf(' Error, the value entered is incorrect \n');

SongTime = input(' Please, enter a whole number ');

end

if SongTime <= 2

SongTime = "ShortOpt";

elseif SongTime >= 3

SongTime = "IntermediateOpt";

elseif SongTime >= 4

SongTime = "LongOpt";

end

fprintf(' The new song time was entered successfully. \n');

fprintf(" \n");

fprintf(" Enter the song genre. \n");

fprintf(" The three options for the song's genre are Rock, Pop, and Country. \n");

SongGenre = input(" What is the song's genre? ",'s');

while strcmpi(SongGenre,'Rock') ~=1 && strcmpi(SongGenre,'Pop') ~=1 ...

&& strcmpi(SongGenre,'Country') ~=1

fprintf(' You have selected a not existing option \n');

fprintf(' Selected Rock, Pop, or Country. \n');

SongGenre = input(' Selected the correct option ','s');

fprintf(' The new song genre was entered successfully. \n');

end

fprintf(" The genre of the new songs was entered correctly. \n");

fprintf(" \n");

fprintf(" The three options for the song's language are English, Italian, and Romanian. \n");

SongLanguage = input(" What is the language of the song? ", 's');

while strcmpi(SongLanguage,'English') ~=1 && strcmpi(SongLanguage,'Italian') ~=1 ...

&& strcmpi(SongLanguage,'Romanian') ~=1

fprintf(' You have selected a not existing option NERD!!! \n');

fprintf(' Selected English, Italian, or Romanian. \n');

SongLanguage = input(' Selected the correct option ','s');

end

fprintf(' The new song language was entered successfully. \n');

fprintf(" \n");

fprintf(' The song name is %s \n', SongName);

fprintf(' The song singer is %s \n', SongSinger);

fprintf(' The song time is %s \n', SongTime);

fprintf(' The song genre is %s \n', SongGenre);

fprintf(' The song language is %s \n', SongLanguage);

fprintf(' Select Yes if desired to save the changes; if not select No \n');

RepreProcessA = input(' Yes or No ','s' );

while strcmpi(RepreProcessA, 'No') ~= 1 && strcmpi(RepreProcessA, 'Yes') ~= 1

fprintf(' Select Yes or No NERD!!! \n');

RepreProcessA = input(' Selected Yes if desired to save the changes; if not selected No ','s');

end

NewData = [{SongName}, {SongSinger} {SongTime}, {SongGenre}, {SongLanguage}];

writecell(NewData,'Music_Database.xlsx','WriteMode','append')

fprintf(' Song saved succesfully!\n');

end

fprintf( 'Would you like to exit or return to the menu?\n ');

ExitSelection = input( 'Exit or Return? ','s' );

while strcmpi(ExitSelection,'Exit') ~=1 && strcmpi(ExitSelection,'Return') ~=1

fprintf(' You have selected a not existing option \n');

ExitSelection = input(' Selected a valid option ','s');

end

if strcmpi(ExitSelection,"Exit")

fprintf( 'Exiting...\n' );

exitflag = true;

else

fprintf( 'Returning...\n' );

end

end

end