[latexr]

> Do you wrap all calls in an if?

I don’t need to check the exit status of every command.

> I believe the author was talking about set -e (often used with -o pipefail), so that any unhandled error simply exits the script.

I have no idea how you could get that impression from the section I quoted.

How would setting one option once at the top of the script mean “Requiring the user to manually check $? after each command”?