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#include <stdio.h>
char s[]="123 ab 4";
char *p;
int v,n,k;
void main() {
p=s;
while (1) {
k=sscanf(p,"%d%n",&v,&n);
printf("k,v,n=%d,%d,%d\n",k,v,n);
if (1==k) {
p+=n;
} else if (0==k) {
printf("skip char[%c]\n",p[0]);
p++;
} else {//EOF==k
break;
}
}
printf("End.\n");
}
//k,v,n=1,123,3
//k,v,n=0,123,3
//skip char[ ]
//k,v,n=0,123,3
//skip char[a]
//k,v,n=0,123,3
//skip char[b]
//k,v,n=1,4,2
//k,v,n=-1,4,2
//End.
#include <iostream>
#include <sstream>
#include <fstream>
using namespace std;
int main()
{
string line, number;
ifstream f("D:\\test.txt", ifstream::_Nocreate);
if (f.fail())
{
cout << "Cannot open file" << endl;
return -1;
}
while(std::getline(f, line))
{
istringstream is(line);
while(std::getline(is, number, ','))
{
cout << number << " ";
}
cout << endl;
}
}