How do you create file with a variable in C++? -


I was wondering how to put a variable where is "example.txt" below : 

  offstream file; File.open ("example.txt");

Just put a variable there: - P

if you Use the std :: string and you need to get the .c_str () by using the const char * so that your options are The types are: 

  const char * filename = "example.txt" file.open (filename);

or: 

  std :: string filename = "example.txt" file.open (filename.c_str ());

-

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