skip headers while reading text
#include<sstream>
...
...
std::ifstream file {"test.txt"};
std::string word, line;
std::istringstream iss;
double var, tab[100][6];
int i=0, j;
...
while(getline(file, line))
{
if (!(line[0]=='#'))
{
iss.str(line);
j = 0;
while(iss >> var)
{
tab[i][j] = var;
++j;
}
iss.clear();
++i;
}
}
file.close();