Matthias Grob a32892926c Matrix: capture stdout for print() test
I want to switch the print() function back to use printf()
such that it's fully compatible with all (embedded) platforms.

To still test the print function I'm capturing stdout into a file
such that the print() function can stay unchanged and the result of
the printf()s can be evaluated.
2020-03-12 13:24:08 +01:00
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