Well, my goal is making script for the 3dfim so I can eliminate manual process using GUI.

Using GUI, this is how I calculate 3dfim.
From the "comput fim", I choose "% change" from the list and click "->fico"

I could not get same result using "3dfim" in command line. I tried many different options.
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3dfim -im1 5 -input mysubjet.reg+orig -percent 100 -ideal
NewIdeal.1D -ort mysubjet.1D -prefix mysubjet.reg@1

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However, activation I see is not same as using GUI.
Again,
First of all, using "3dfim" eliminates all the negative activations.
Moreover, all the positive activations are not presented as same as using GUI.

So I used "3dfim+" and obtained same result as using GUI.

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3dfim+ -nfirst 4 -input mysubjet+orig -ideal_file NewIdeal.1D
-polort 1 -ort_file mysubject.1D -out '% Change' -out 'Correlation'
-bucket mysubject.reg@1

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However, it produce a bucket file.

My qesution was that is there any commnad and proer option that I can get a fico file just like doing using GUI, From the "comput fim", I choose "% change" from the list and click "->fico" ?