This explains how "-i inplace" works: https://www.gnu.org/software/gawk/manual/html_node/Extension-Sample-Inplace.html https://www.gnu.org/software/gawk/manual/

This explains how "-i inplace" works: https://www.gnu.org/software/gawk/manual/html_node/Extension-Sample-Inplace.html https://www.gnu.org/software/gawk/manual/html_node/Extension...