Run something like `grep -E 'py3clean|dpkg -L' $prerm` on all prerm files in the existing package.
On my system: ``` $ grep -l -E 'py3clean|dpkg -L' /var/lib/dpkg/info/*.prerm | wc -l 411 ```
Run something like `grep -E 'py3clean|dpkg -L' $prerm` on all prerm files in the existing package.
On my system: dpkg/info/ *.prerm | wc -l
```
$ grep -l -E 'py3clean|dpkg -L' /var/lib/
411
```