I throw all my shell scripts through this beast of a haskell application to see if they're clean: https://github.com/koalaman/shellcheck https://github.com/koa

I throw all my shell scripts through this beast of a haskell application to see if they're clean: https://github.com/koalaman/shellcheck https://github.com/koalaman/shellcheck Crucially it shows where on the line the error is in case I've got some large piped one-liner which might have a problem.