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+# expac
+
+> A data extraction tool for alpm databases, offering printf-like flexibility for pacman-based utilities.
+> See also: `pacman`.
+> More information: <https://github.com/falconindy/expac>.
+
+- List the dependencies of a package:
+
+`expac -S '%D' {{package}}`
+
+- List the optional dependencies of a package:
+
+`expac -S "%o" {{package}}`
+
+- List the download size of packages in MiB:
+
+`expac -S -H M '%k\t%n' {{package1 package2 ...}}`
+
+- List packages marked for upgrade with their download size:
+
+`expac -S -H M '%k\t%n' $(pacman -Qqu) | sort -sh`
+
+- List explicitly-installed packages with their optional dependencies:
+
+`expac -d '\n\n' -l '\n\t' -Q '%n\n\t%O' $(pacman -Qeq)`