You found a command in a forum reply. It probably works. Paste it here first: what it actually does, what it touches, whether you can undo it, and the safer way to get the same result.
Multi-line scripts are fine. Pipes into sh from a URL are exactly what this is for.
A second opinion, not a permission slip — read the reasoning, don't just look at the colour. Runs on your own Claude account. A Peira Labs field tool · peira.dev.