Builds Makefile.final just before building the archive

0999_package_it_up.md

@@ -8,11 +8,16 @@ program output generated dynamically as the document was built. @Lst:artifacts
 contains a list of files available in a companion archive and a SHA256 hash of
 that archive as it was packaged at build time to verify its authenticity.
 
+Notably, `Makefile.final` is the assembled version of all `ledger` Makefile
+examples in this workshop. You can use it wholesale for your next `ledger`
+project: your personal finances!
+
 <!-- packaging up the panpipe tmpdir -->
 
 Listing: Artifacts built in the process of compiling this document {#lst:artifacts}
 
 ```{pipe="sh"}
+cat Makefile.*.txt | grep -v '^# ' > Makefile.final
 ARCHIVE=root/pta_workshop_artifacts.tar.gz
 tar -czvf "${ARCHIVE}" --exclude='root' . 2>&1 | sed -e 's%a \.\/%%g' | grep -v 'a\ \.' | sort | paste - - - | column -t
 sha256sum "${ARCHIVE}"