Redirect the ouput of an interactive command to file and terminal

I have a program that requires user input, which I save to a file by using tee:

tee program.in | program

I also have to capture stdout and stderr in another file. This does the trick

tee program.in | program > program.out 2>&1

The problem is that the user input is going to be based on what the program outputted before, so the user has to see the programs output 开发者_开发百科in the terminal.

Any idea on how to accomplish this?

Another, more idiomatic tee :-?, i.e.

tee program.in | program 2>&1 | tee program.out

I hope this helps.

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