
* Made more specific shellcheck disables * Fixed variable quoting (SC2086,SC2064) * Use `$*` expansion instead of `$@` when not using arrays (SC2124) * Use cleaner `$()` syntax instead of back quotes (SC2006) * Improved comparator (SC2166) * Minor improvements in coding style Tested clean output using: `find -name "*.sh" | xargs -n1 shellcheck -x`.