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[QUOTE="Mike Wahler, post: 2533111"]
#include <fstream>
#include <istream>
#include <iostream>
#include <sstream>
#include <string>

std::istream& parse(std::istream& in)
{
    std::string line;
    while(in)
    {
        while(in && line.empty())
        {
            std::getline(in, line);
        }

std::istringstream iss(line);
        unsigned int count(0);
        iss >> count;

do
        {
            std::getline(in, line);
        } while(in && line.empty());

std::cout << "count == " << count << '\n';

for(unsigned int i(0); i < count; ++i)
        {
            while(in && !line.empty())
            {
                std::cout << line << '\n';
                std::getline(in, line);
            }

std::cout << "[End of group " << i + 1 << "]\n";

while(in && line.empty())
                std::getline(in, line);
        }
    }

if(in.eof())
        std::cout << "<End of Input>\n";
    else
        std::cout << "** Error reading input**\n";

return in;
}

int main()
{
    std::ifstream input("C:/test.txt");

if(input)
        parse(input);

return 0;
}
/* ** (Not thoroughly tested ** */

Input:

2

1453
2123
3342
4234
5123
6511
6123

1234
1234
2345
3456
3456
7432

3

1453
2123
3342
4234
5123
6511
6123

1234
1234
2345
3456
3456
7432

Output:

count == 2
1453
2123
3342
4234
5123
6511
6123
[End of group 1]
1234
1234
2345
3456
3456
7432
[End of group 2]
count == 3
1453
2123
3342
4234
5123
6511
6123
[End of group 1]
1234
1234
2345
3456
3456
7432
[End of group 2]
1234
1234
2345
3456
3456
7432
[End of group 3]
<End of Input>

-Mike
[/QUOTE]

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