man bash man awk man sed man grep You can also do most of this stuff with Perl one liners if that suits your fancy. sed + awk - https://www.amazon

man bash man awk man sed man grep You can also do most of this stuff with Perl one liners if that suits your fancy. sed + awk - https://www.amazon.com/sed-awk-Dale-Dougherty/dp/1565922255 https://www.amazon.com/sed-awk-Dale-Dougherty/dp/1565922255 awk - https://ia802309.us.archive.org/25/items/pdfy-MgN0H1joIoDVoIC7/The_AWK_Programming_Language.pdf https://ia802309.us.archive.org/25/items/pdfy-MgN0H1joIoDVoI... general *nix text processing - https://www.tldp.org/LDP/abs/html/textproc.html https://www.tldp.org/LDP/abs/html/textproc.html