how to always use rgrep with color

Question

Replace grep command with grep -n --colour?

is there anything similar for rgrep auto color?

Answer 1

add this line to your .bashrc in your home directory

alias rgrep="grep -n --colour"

Answer 2

Just execute the following lines and modify one line as describe bellow

mkdir -p ~/bin
cd ~/bin
wget http://sdjf.esmartdesign.com/files/rgrep
chmod +x rgrep

Edit it and modify the line

args=${args:--His}

To this version:

args="${args:--His} --color=auto"