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When I run Mathematica in console mode (math.exe/wolfram.exe) without a GUI frontend, then printed and output expressions are (apparently) formatted using OutputForm (pseudo-2D layout). What option can I set to format them with InputForm (ideally, without attaching visible "InputForm" marker to every output)?

I tried to do $PrePrint = InputForm, but it does not affect Printed expressions. Also, it overrides FullForm, MatrixForm and others in expressions like FullForm[...].

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  • $\begingroup$ So unless it is another *Form it should be an InputForm, is that correct? $\endgroup$
    – Kuba
    Commented Jan 7, 2019 at 9:41

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I think what you want is:

$Post = ToString[#, FormatType -> InputForm] &;

But this does not affect Print[]. Of course, you can always define your own print function which does exactly what you want. That is what I recommend here.

Do something such as, for example:

print[x_] := Print[ToString[x, FormatType -> InputForm]];
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  • $\begingroup$ Would you mind to explain, by which convoluted logic, Print[ FullForm[ expr ]] just doesn't work and print instead : FullForm[ expr ]... it make no sense to me ! $\endgroup$
    – yota
    Commented Oct 22, 2020 at 14:07
  • $\begingroup$ @yota Please give an actual example. I just tried Print[FullForm[x+y]] and it outputted Plus[x, y] as expected. $\endgroup$
    – Somos
    Commented Oct 22, 2020 at 14:21

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