The echo command check didn't work for me on MacOS, bash 3.2 This works printf "\e[3m foo \e[23m\n" Although, you could use the sequence '^vESC' for each

The echo command check didn't work for me on MacOS, bash 3.2 This works printf "\e[3m foo \e[23m\n" Although, you could use the sequence '^vESC' for each '\e' with echo.