0
votes
0answers
32 views

Implement Roll-backing in bash script

I have implemented an Ubuntu package in which bash scripts are using. I followed these for making packages in Ubuntu. ...
5
votes
3answers
3k views

Test if a package is installed in APT

I want a shell script method to test/report if a package is installed. I don't need details, only boolean return to set logic flow. I looked at Find if a package is installed, but dpkg returns complex ...