I agree that it is clear, but I still struggle to figure out (by myself) how to do (in an awk sense) simple things like: Filter out empty or null values: http

I agree that it is clear, but I still struggle to figure out (by myself) how to do (in an awk sense) simple things like: Filter out empty or null values: https://stackoverflow.com/questions/39500608/remove-all-null-values https://stackoverflow.com/questions/39500608/remove-all-null... I seem to either end up with unwieldy, long/verbose solutions - or shorter ones that does not work :)