I am installing gnuhealth on my ubuntu 20.04 but I am getting error

I am Installing gnuhealth on my Ubuntu. I am following the Wikibooks.org page for the installation. everything goes right but when I enter the command source ${HOME}/.gnuhealthrc I give an error that no such file or directory. what should I do. and also cdexe command is also not working

Ask support to the author of those scripts: GNU Health - Summary [Savannah]