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  1. #include <string>
  2. #include <fstream>
  3. #include <iostream>
  4. #include <streambuf>
  5.  
  6. using namespace std;
  7.  
  8. void show(const char *name)
  9. {
  10.   cout << "=== " << name << " ===" << endl;
  11.   ifstream f(name);
  12.   string str((istreambuf_iterator<char>(f)), istreambuf_iterator<char>());
  13.   cout << str << endl;
  14.   cout << "========\n" << endl;
  15. }
  16.  
  17. int main()
  18. {
  19.   show(__FILE__);
  20.   show("./" __FILE__);
  21.   show("../" __FILE__);
  22.  
  23.   return 0;
  24. }
Success #stdin #stdout 0s 15240KB
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=== prog.cpp ===

========

=== ./prog.cpp ===

========

=== ../prog.cpp ===

========
https://ideone.com/K0Xt0A
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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