GREP: Customise the colour of matches.

gistfile1.txt

Find GNU grep results quicker with a bit of colour!

http://www.arwin.net/tech/bash.php
https://linuxaria.com/pills/coloring-grep-to-easier-research

Add this to your shell customisations file with your choice of colours:

export GREP_OPTIONS='--color=auto'
export GREP_COLOR='1;31;44'

Choose your colours (Normal/Bright;Foreground;Background)

Brightness  Normal          Bright
            0               1

Color       Foreground      Background
Black       30              40
Red	        31              41
Green       32              42
Yellow      33              43
Blue        34              44
Magenta	    35              45
Cyan        36              46
White       37              47


Show all colour combinations hi/lo

for f in $(seq 0 1 7); do for b in $(seq 0 1 7); do for n in 0 1; do export GREP_COLOR=''${n}';3'${f}';4'${b}'' ; echo "GREP_COLOR='${n};3$f;4$b' - hello   " | grep hello; done ; done ; echo ; done ; echo "export GREP_OPTIONS='--color=auto'"