You will find a normal unix tool for character substitution. In this example, I am replacing spaces for * and tabs for &: I have made a tool for Linux/OS X/Cygwin that is comparable to some of these Many others, but a little one of a kind. I phone it https://petskyonline-onlinestrore.blogspot.com/2025/07/how-to-choose-and-maintain-perfect-dog.html