Go to the begining of file (new one)

if i write c++ like this code, write the value to file.
Then,how can i set the pointer back to the beginning of file that i have just written it.

Code:

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#include <iostream>
#include <fstream>

using namespace std;

int main()
{
        int a = 10;

        fstream aTa("Data_Check.txt",ios::out);
        for(int i=0;i<a;i++0)
                aTa << i;

        return 0;
}

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For writing, use seekp.

Code:

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aTa.seekp( 0, ios_base::beg );

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For reading, use seekg.