export CLIAPP_DATAFIE=$HOME/todos.jsonOR put it in $HOME/.cliApp.yaml
datafile: $HOME/todos.jsongo build
./cliApp ...
OR
go run main.go ...- Help
go run main.go --help- Add a todo item with default priority 3
go run main.go add "Some todo"- Add a todo item with a priority 5
go run main.go add "format list" -p5- List to do items
go run main.go list
go run main.go list --all
go run main.go list --done- Mark 3rd todo item as done
go run main.go done 3