MATLAB: Display help

display

I'm trying to create a program that plays a hangman game. So, how would I go about replacing the letters in the word with asterisks. I want the user to see the asterisks instead of the letters so they can see how many letters are in the word.

Best Answer

You need two strings: The original string of all the letters, and a 2nd one, which consists of stars initially. If the users selectes a letter, the corresponding elements of the star-string are replaced by this letter.

original = 'hello world';
stars    = original;
stars(~isspace(stars)) = '*';
selected = 'l';  % lower-case El
stars(original == selected) = selected;

BTW. this is a nice homework. You can learn the Matlab basics as logicla indexing and assignment of scalars to arrays as well as the string handling.

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MATLAB: String help!

first_guess=char(input('Enter letter \n','s'));

MATLAB: String and display help

Hello,

So long time you have waiting. Here I give you my code.

I have 'Hangman.txt'

signature
chair
calculator
window
picture
browser
phone
book
table
glass

And this is my code :

clear; clc;
fid = fopen('Hangman.txt','r');
if fid < 0,    error('Cannot open file');    end
data = textscan(fid,'%s');
data = data{1};
fclose(fid); 
index = ceil(rand * numel(data));
word = data{index};
masked = word; 
masked(~isspace(masked)) = '#';
complete = 0;
while complete == 0
    clc;
    fprintf('Word : %s\n',masked);
    letter = char(input('Guess a letter : ','s'));
    stat = findstr(word,letter);
    if ~isempty(stat)
        masked(stat) = letter;        
    end
    if isempty(findstr(masked,'#'))
        complete = 1;
    end    
end
clc; fprintf('Word : %s\n',masked);

Just try to run it.

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MATLAB: String help!

MATLAB: String and display help

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