C++ to matlab(m-file) without mex

I have a C++ code:

#include <iostream>
#include <fstream>
#include <iomanip>      // std::setfill, std::setw

using namespace std;

int main()
{
  int i,j;
    ofstream outfile;
  outfile.open("testText.txt", ios::app);
  outfile<< setfill('0');

  for(i=0;i<2;i++)
  {
    for(j=0;j<12;j++)
    {
            outfile<<"XYZ"<<setw(2)<<i<<setw(2)<<j<<"\n";
        }
        outfile<<"\n";
    }

  outfile.close();
  return(0);
}

Which will generate a text file like:

XYZ0000
XYZ0001
XYZ0002
XYZ0003
XYZ0004
XYZ0005
XYZ0006
XYZ0007
XYZ0008
XYZ0009
XYZ0010
XYZ0011

XYZ0100
XYZ0101
XYZ0102
XYZ0103
XYZ0104
XYZ0105
XYZ0106
XYZ0107
XYZ0108
XYZ0109
XYZ0110
XYZ0111

Need to create same output using matlab code.

Main problem:

setfill() alternative in matlab?

setw() alternative in matlab?

how

outfile<<"XYZ"<<setw(2)<<i<<setw(2)<<j<<"\n";

line can be replaced?

setw(): used to set field width of the next variable

setfill(): used to set fill character, what should be used to fill the width in setw.

Really need some help. Thanks in advance.

Answer 1

[David Sanchez]

Absolutely, You can:

i=10;
j=2;
option = '02';
str = strcat('XYZ%',option,'d%',option,'d\n');

fprintf(str, i, j)

XYZ1002

[Pramit Biswas]

Waaooo.

That's a great trick. well done.

Answer 2

[Ken Atwell]

You can use fprintf in MATLAB, which is closer in usage to C than C++:

 >> i=1;
 >> j=11;
 >> fprintf('XYZ%02d%02d\n', i, j)
 XYZ0111

[Pramit Biswas]

Thank you very much for your really helpful answer.

using this code writing to the file is done;

setw() partially done; can we put those 02 as any variable, i mean if i want to change 02 to 03 automatically within the program?

using said command, fill will be always zero. what if I want to fill it with some other values? i.e. setfill() alternative?

Answer 3

[Pramit Biswas]

final matlab code:

input1 = fopen('exp.txt','w');
fill = '02';

for i=0:1:1
    for j=0:1:11
        str = strcat('XYZ%',fill,'d%',fill,'d\n');
        fprintf(input1, str, i, j);
    end
    fprintf(input1, '\n');
end
fclose(input1);