Learning about -o has decreased my use of sed considerably. Where I used to use: sed -n 's/.*\(pattern\).*/\1/p' it can instead simply be: grep -o 'p

Learning about -o has decreased my use of sed considerably. Where I used to use: sed -n 's/.*\(pattern\).*/\1/p' it can instead simply be: grep -o 'pattern' The -w flag is new to me today - excited to save still more keystrokes!