Use pkgbuild in Terminal. Need an advanced installer with custom scripts? Use the Packages app.
: These compress multiple files as a single continuous data block, which can improve compression ratios by 10%–50% . rar to pkg
sudo apt install unrar unrar x file.rar
In the world of console homebrew and backups, games are often distributed as compressed archives (RAR) to save bandwidth. However, consoles cannot read RAR files; they require the (Package) format to install content. Extraction as Conversion Use pkgbuild in Terminal
However, there are scenarios where active conversion is required. This is most common in the context of macOS software distribution. A developer or power user may have a raw application (an .app bundle) or a collection of scripts compressed into a RAR file. To distribute this for easy installation on other Macs, they must convert the raw files into a PKG. This requires specific tools such as or WhiteBox Packages . The process involves extracting the RAR contents, loading the payload (the application files) into the packaging software, defining the installation destination (such as the Applications folder), setting permissions, and building the final PKG installer. : These compress multiple files as a single