yes, there is way to do this. That is, as long as your terminal supports ANSI escape sequences. This is most terminals that exist.
I think I don’t need explain how to grep, sed etc. point is the color right?
see below, this will make
WARN yellow
ERROR red
foo green
here is example:
kent$ echo "WARN
ERROR
foo"|sed 's#WARN#\x1b[33m&#; s#ERROR#\x1b[31m&#; s#foo#\x1b[32m&#'
Note: \x1b is hexadecimal for the ESC character (^VEsc).
to see the result:
