`sed` in latin is often used to contrast two things, "not this, but that", eg Amīcitia nōn semper intellegitur sed sentītur. (Friendship is not always understo

`sed` in latin is often used to contrast two things, "not this, but that", eg Amīcitia nōn semper intellegitur sed sentītur. (Friendship is not always understood, but it is felt.) which I'm always reminded of when using sed(1) in a script to provide, not this pattern, but that replacement.