Describes All Packages on Your Debian

README.md

Instructions

% ./package-info.sh > packages.txt
Generated rasp-pi-20230411-200532.txt
% wc rasp-pi-*.txt
 1417  1417 23563 rasp-pi-20230411-200532.txt

Run the script and redirect its output to get apt-cache show information on each package.

The script also generates a file rasp-pi-YYYYMMDD-HHMMSS.txt containing all the packages that have been installed (one package per line).

On my system, this script takes 5-6 minutes to run.

YouTube

This script was described in:

https://youtube.com/live/OyfIQFVps5M (No 1) https://youtube.com/live/uMm1DQX2J5Y (No 2)

package-info.sh

filename=rasp-pi-$(date +%Y%m%d-%H%M%S).txt
dpkg --get-selections |sed -n 's/\t\+install$//p' > $filename
printf "Generated $filename\n" 1>&2

count=1
cat $filename |
while read p
do
  echo "$count - $p"
  (( count += 1 ))
  sudo apt-cache show $p
  echo "--------------------"
done