In order to make my sed changes more evident, I would like to be able to underline words that have been changed by the substitute command. For example
but I want NEW to be underlined in the output. I am using iTerm2. I suspect the solution involves the use of ASCII escape characters, but so far nothing has worked.
$ cat file | sed 's/OLD/NEW/g' | morebut I want NEW to be underlined in the output. I am using iTerm2. I suspect the solution involves the use of ASCII escape characters, but so far nothing has worked.
