ubuntu-blacklist

#!/bin/bash


# Developed only for Linux Mint  20.1 Ulyssa
# For own use.

# License:		GNU GPL v.3		http://www.gnu.org/licenses/gpl-3.0.en.html
# Version		1
# Destiny:		Script to check whether unnecessary packages are installed.
#               The package list is created to my needs. 
#			    I am not responsible for other people's needs.
# Script usage:		bash script

##	LINKS:
##  awk colors: awk: warning: escape sequence `\e' treated as plain `e'
##  https://stackoverflow.com/questions/14482101/awk-adding-color-code-to-text


LIST='lirc
speech-dispatcher-audio-plugins
'

## related to the internet:
#network-manager-config-connectivity-ubuntu
#apport
#update-notifier
#		python3-popcon  ?		https://popcon.ubuntu.com/
#popularity-contest
#hw-probe		https://linux-hardware.org/

###########################}
# Check Dependecies - List is not created automatically
[[ -z $(type -P apt) ]] && DEP="$DEP"$'\n'"apt"
[[ -z $(type -P awk) ]] && DEP="$DEP"$'\n'"awk"
[[ -z $(type -P echo) ]] && DEP="$DEP"$'\n'"echo"
[[ -z $(type -P grep) ]] && DEP="$DEP"$'\n'"grep"
[[ -z $(type -P sort) ]] && DEP="$DEP"$'\n'"sort"
[[ -z $(type -P uniq) ]] && DEP="$DEP"$'\n'"uniq"
 
# End script if exist any error
[ -z "$DEP" ] || { echo "   Error: Missing dependencies, before run script please install: $DEP"  ; exit 1  ;}
###########################}



NC='\e[0m'    # Reset Color
GN='\e[0;32m' # Green ECHO
CN='\e[0;36m' # Cyan ECHO

GREEN_ECHO() {
    echo -e "${GN} $1 ${NC}"
}

CYAN_ECHO() {
    echo -e "${CN} $1 ${NC}"
}

#	Display repeats 
REPEATS=$( sort <<< "$LIST" | uniq -d)
if [ ! -z "$REPEATS" ] ; then
	echo "Warning: The package names are repeated in the list:"
	echo "$REPEATS"
	echo "==========="
fi


INSTALLED=$(apt list --installed | sed '1d' | tr ' ' '/' | awk -F '/' '{print $1 "  " "(" $4 ")"}')

GREEN_ECHO "PACKAGE --> FOUND INSTALLED	:ARCHITECTURE"
while read LINE ; do
	if $(grep -q "$LINE" <<< "$INSTALLED") ; then
		LIST_INSTALLED_2=$(grep "$LINE" <<< "$INSTALLED")
		while read LINE_2 ; do
			ONLY_NAME=$(awk -F ' ' '{print $1}' <<< "$LINE_2")
			if [[ "$LINE" == "$ONLY_NAME" ]] ; then
				##	echo something | awk '{ print "\033[34m"$1" in colour \033[0m";}'
				COLORED=$(echo "$LINE --> $LINE_2" | awk -F ' '  '{print $1 "	" $2  " " "\33[36m" $3 "\033[0m"  " " $4 ;}')
				echo -e "$COLORED"
				#echo "$LINE 	--> $LINE_2"
			fi
		done <<< "$LIST_INSTALLED_2"
	fi
done <<< "$LIST"