Repeating bug (error: subscript indices must be either positive integers or logicals)

[ragan2328]

I've been working on this program for the past few hours. It's simply a
password generator. I had the program fully functioning, but upon restarting
Octave, I keep on getting the message:

error: subscript indices must be either positive integers or logicals.

Here is the code for the main program:


%P1: Pseudocode for Passgen (main)
NumberofPass = input(['How many passwords do you require?: ']);

if(isempty(NumberofPass));
   NumberofPass = 1;
endif;

NumberofChar = input(['How many characters (6-12) do you require in each
password?: ']);

if(isempty(NumberofChar));
   NumberofChar = 8;
   elseif(NumberofChar < 6);
      NumberofChar = 8;
      disp(['Number of characters is too low, defaulted to 8 characters'])
   elseif(NumberofChar > 12);
      NumberofChar = 8;
      disp(['Number of characters is too great, defaulted to 8 characters'])
endif;

lowercase = (['a':'z']);

uppercase = (['A':'Z' ]);

digits = [ '0':'9' ];

PasswordsList = zeros(NumberofPass,NumberofChar);

for(passcount = 1:NumberofPass);
   ValidPassword = false;
   while(not(ValidPassword));
      run OnePassword;
      run PassCheck;
   endwhile
   PasswordsList(passcount,:) = Password;
endfor;

Passwords = char(PasswordsList);

disp(Passwords)




...And the code for the program OnePassword that seems to contain the issue:



%P2: Pseudocode for OnePassword (function)

letters = [uppercase lowercase];
randomletter = round(rand(1)*52);
Password(1) = letters(randomletter);

for(n = 2:NumberofChar);
   randomchar = round(rand(1)*62);
   allchar = [uppercase lowercase digits];
   Password(n) = allchar(randomchar);
endfor;
return;



The error points to the code in the OnePassword program, although when run
separately, no issue exists:
Password(n) = allchar(randomchar);

Although all was normal up until restart. I'm not sure why it's registering
this error. Help would be appreciated.

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