How to replace the content of a specific column with awk?

You can do like this:

awk '$35=$35"$"'

There are probably more efficient ways to do this. With that caveat:

awk '{$35 = $35"$"; print}' infile > outfile

To reserve the original Field-Seprator, I did this. The column I wanted to blank-out was number $12.

awk -F"\t" '{OFS=FS}{ $12="" ; print   }' infile.txt > outfile.txt

With gawk -i , if you have it,you can edit the file in place.

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