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Feb 25th, 2020
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  1. #include <iostream>
  2. #include <fstream>
  3. #include <errno.h>
  4. #include <string.h>
  5.  
  6. using namespace std;
  7. extern int errno ;
  8.  
  9. int main()
  10. {
  11.  
  12. fstream fs;
  13. fs.open("hello.txt");
  14. if(fs.is_open()){
  15.  
  16. cout << "plik dziala" << endl;
  17. }else {
  18. cout << "plik nie dziala" << strerror( errno ) << endl;
  19. }
  20.  
  21. fs.close();
  22. // ----------------
  23.  
  24. fstream fs2;
  25. fs2.open("noPerms.txt");
  26. if(fs2.is_open()){
  27.  
  28. cout << "plik dziala" << endl;
  29. }else {
  30. cout << "plik nie dziala" << strerror( errno ) << endl;
  31. }
  32.  
  33. fs2.close();
  34. // ----------------
  35. fstream fs3;
  36. fs3.open("imNotExists.txt");
  37. if(fs3.is_open()){
  38.  
  39. cout << "plik dziala" << endl;
  40. }else {
  41. cout << "plik nie dziala" << strerror( errno ) << endl;
  42. }
  43.  
  44. fs3.close();
  45. // ----------------
  46. return 0;
  47. }
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