How to properly capture stdout's output?

[PiCake314]

Channel

C++Weekly

Topics

How to properly capture stdout's output so it can be used for testing and other purposes. Cover best practices and possibly the basics of std::ostream's API.

Length

Short form video (5 - 10 minutes).

[LB--]

This is very OS-specific, because random other components you link to may write to the process stdout/stderr themselves, bypassing whatever you do with the C or C++ standard library APIs. Therefore the best way is to capture it from another process, which is not a C++ topic.