...MPM solves XKCD #1654 - Universal Install Script. List installed packages. List duplicate installed packages. Search for packages. Install a package, remove a package, and list outdated packages. Sync local package infos. Upgrade all outdated packages. Backup list of installed packages to TOML file. Restore/install list of packages from TOML files. Pin-point commands to a subset of package managers (include/exclude selectors). Support plain, versioned, and purl package specifiers. Export output to JSON or print user-friendly tables. ...