https://www.spinellis.gr/blog/20200323/ ie csvawk, that I should use csvawk Run awk with the specified program argument on a CSV (comma separated values file); e.g. |csvawk '{print $2 - $3}' list.csv|. |#!/bin/sh prog="$1" shift awk 'BEGIN {FPAT = "([^,]+)|(\"[^\"]+\")"}'"$prog" "$@" |