catcli should have a du command

[weberjn]

similar to du(1)
with -s option

catcli -B du temptst/etc
3.2M    /etc

[deadc0de6]

@weberjn this feature has been added in the branch features-42. Could you give it a try?
You can get it like this:

git clone https://github.com/deadc0de6/catcli.git
cd catcli
git checkout features-42
python3 -m catcli.catcli -B du --catalog=<catalog-path> <something-here>