Show HN: PDF-joiner – Join PDFs on Mac with native macOS utilities

PDF-joiner is a lightweight command-line utility that makes it easy to combine multiple PDF files on macOS. It leverages the built-in macOS PDF joining utility rather than requiring additional dependencies or libraries. Written in Go, it provides a simple interface for merging PDFs with options to specify output paths. Perfect for those who prefer native tools and command-line workflows over installing additional PDF manipulation software.