[ask rename file

Al3X (4)
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hellow all 

i have some problem for rename file

this my c++
#include <iostream>
#include <fstream>
#include <stdio.h>
#include <time.h>
#include <string>

using namespace std;

int main () {
//chek_date
  time_t rawtime;
  struct tm * timeinfo;
  char buffer [80];

  time ( &rawtime );
  timeinfo = localtime ( &rawtime );
  strftime (buffer,80,"%Y%m%d",timeinfo);

//open sample file for loop
  const int size = 80;
  char outas[ size ];
  ifstream infile;
  infile.open ("sample");
    while (!infile.eof()){
    //cout << (outas) infile.get();
    getline(infile,outas);
    //rename(outas,outas+"_"+buffer);
    cout<<(outas+"_"+buffer);
    infile.close();
}
return 0;


where sample is dump list of file (iam using ls -1 *.txt >sample) for looping file
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jakarta.txt
bandung.txt
semarang.txt


so i want rename this file with append date
and file will like output
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jakarta_yyyymmdd.txt
bandung_yyyymmdd.txt
semarang_yyyymmdd.txt


i need your advice
thx before
ne555 (10692)
¿What issues are you having?
You shouldn't loop on eof()
Al3X (4)
@ne555
thx for your comment

actualy i just want rename jakarta.txt to jakarta_yyyymmdd.txt same with bandung and semarang where yyyymmdd is time now
ne555 (10692)
I know what you want.
I ask about the problem.
By instance, your code doesn't compile, so you ought to post the compiler messages
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