One frequently sees scripts relying on the GNU extensions to echo, often the support for escape characters, in installation scripts for commercial (but also the

One frequently sees scripts relying on the GNU extensions to echo, often the support for escape characters, in installation scripts for commercial (but also the one for oh-my-zsh...) software when not run on a OS where sh is symlinked to bash (but to a simpler shell). \033[0;1m ** CONGRATULATIONS! **\033[0m Your program is now installed.