Definition
An instance O of the data type file_ostream is an C++ostream connected to a file F, i.e., all output operations or operators applied to O write to F.
Creation
| file_ostream | O(char* s); | creates an instance O of type file_ostream connected to file s. |
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Operations
All operations and operators (<<) defined for C++ostreams can be applied to file output streams as well.