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  1. #include <istream>
  2. #include <ostream>
  3. #include <iostream>		/// cout
  4. #include <sstream>		/// istringstream
  5. #include <locale>
  6. #include <string>
  7.  
  8. using namespace std;
  9.  
  10.  
  11. /// Copy a pair of values from an istream to an ostream.
  12. void copy(istream& is, ostream& os)
  13. {
  14.     float area;
  15.     double volume;
  16.  
  17.     while (is >> area >> volume)
  18.         os << area << ' '
  19.            << volume << '\n';
  20.  
  21.     os << endl;
  22. }
  23.  
  24.  
  25. void test(istream& fin, ostream& fout,
  26.           istream& fin2, ostream& fout2)
  27. {
  28.    fin.imbue(locale {"en_US.UTF-8"});	/// American English
  29.    fout.imbue(locale {"fr_FR.UTF-8"});	/// French
  30.  
  31.    /// read American English, write French
  32.    copy(fin, fout);
  33.  
  34.    /// ...
  35.  
  36.    fin2.imbue(locale {"fr_FR.UTF-8"});	/// French
  37.    fout2.imbue(locale {"en_US.UTF-8"});	/// American English
  38.  
  39.    /// read French, write American English
  40.    copy(fin2, fout2);
  41. }
  42.  
  43.  
  44. int main()
  45. {
  46.    /// American English
  47.    string AmerEng {"100.3 1000.3 34.55 345.45 968.83 9688.321"};
  48.    istringstream issAmerEng {AmerEng};
  49.  
  50.    /// French
  51.    string Frnch {"100,3 1000,3 34,55 345,45 968,83 9688,321"};
  52.    istringstream issFrnch {Frnch};
  53.  
  54.    test(issAmerEng, cout,
  55.         issFrnch, cout);
  56. }
Runtime error #stdin #stdout #stderr 0s 16912KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
terminate called after throwing an instance of 'std::runtime_error'
  what():  locale::facet::_S_create_c_locale name not valid
https://ideone.com/zuJEcq
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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