Perhaps these are a good start: awk: - GNU Awk User Guide - https://www.gnu.org/software/gawk/manual/gawk.html#Getting-Started https://www.gnu.org/software/gaw

Perhaps these are a good start: awk: - GNU Awk User Guide - https://www.gnu.org/software/gawk/manual/gawk.html#Getting-Started https://www.gnu.org/software/gawk/manual/gawk.html#Getting-S... - Grymoire guide - http://www.grymoire.com/Unix/Awk.html http://www.grymoire.com/Unix/Awk.html sed: - Grymoire guide - https://www.grymoire.com/Unix/Sed.html https://www.grymoire.com/Unix/Sed.html - Official docs - http://sed.sourceforge.net/#docs http://sed.sourceforge.net/#docs