#!/bin/bash
# get_debian_sections: Extracts the sections from the dpkg status file

extract_sections() {
	file_base="$1"
	cut -d\  -f2 | sed 's/.*\///' | uniqoc | sort -rn | tee "$file_base.txt" | kut 2 |
	sort > "${file_base}_sort.txt"
}

< /var/lib/dpkg/status grep '^Section:' | extract_sections "sections_my"
cat /var/lib/apt/lists/*_Packages | grep '^Section:' | extract_sections "sections_all"
comm sections_my_sort.txt sections_all_sort.txt -3 -1 | tee sections_untried\!.txt