Some functions I was using on one of my scripts, but no longer use.

anergos.old.sh

#!/usr/bin/env bash
# License: GNU GPLv3

status_msg() { printf "%-25s %2s" $(tput setaf 4)"${FUNCNAME[1]}"$(tput sgr0) "- "; }

# Prints "done" and any given arguments with a new line.
ready() { echo $(tput setaf 2)"done"$@$(tput sgr0); }

Install_nvim_plugged_plugins() {
	# Not tested. Run as user
	mkdir -p "/home/$name/.config/nvim/autoload"
	curl -Ls "https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim" \
									> "/home/$name/.config/nvim/autoload/plug.vim"
	(sleep 30 && killall nvim) &
	nvim -E -c "PlugUpdate|visual|q|q" >/dev/null 2>&1
}

safe_ssh() {
	# Removes password based authentication for ssh
	sudo sed -i '/#PasswordAuthentication/{s/yes/no/;s/^#//}' /etc/ssh/sshd_config
}

paccashe_hook() {
	# Keeps only the latest 3 versions of packages.
	sudo cat > /etc/pacman.d/hooks/cleanup.hook <<-EOF
		[Trigger]
		Type = Package
		Operation = Remove
		Operation = Install
		Operation = Upgrade
		Target = *
		[Action]
		Description = Keeps only the latest 3 versions of packages
		When = PostTransaction
		Exec = /usr/bin/paccache -rk3
	EOF
}

numlockTTY() {
	# Simple script to enable NumLock on ttys.
	sudo cat > /etc/systemd/system/numLockOnTty.service <<-EOF
		[Unit]
		Description=numlockOnTty
		[Service]
		ExecStart=/usr/bin/numlockOnTty
		[Install]
		WantedBy=multi-user.target
	EOF

	sudo cat > /usr/bin/numlockOnTty <<-EOF
		#!/usr/bin/env bash

		for tty in /dev/tty{1..6}
		do
		    /usr/bin/setleds -D +num < "$tty";
		done

	EOF

	sudo chmod +x /usr/bin/numlockOnTty
	sudo systemctl enable --now numLockOnTty >/dev/null 2>&1

infinality(){
	# Enables infinality fonts.
	[ ! -r /etc/profile.d/freetype2.sh ] && return
	sudo sed -i 's/^#exp/exp/' /etc/profile.d/freetype2.sh
}

networkd_config() {
	# creates a networkd entry for all ether and wlan devices.
	net_devs=$( networkctl --no-legend 2>/dev/null | \
				grep -P "ether|wlan" | \
				awk '{print $2}' | \
				sort )

	for device in ${net_devs[*]}; do ((i++))
		sudo cat > /etc/systemd/network/${device}.network <<-EOF
			[Match]
			Name=${device}

			[Network]
			DHCP=ipv4
			IPForward=yes

			[DHCP]
			RouteMetric=$(($i * 10))

		EOF
	done
	sudo systemctl disable --now dhcpcd 	>/dev/null 2>&1
	sudo systemctl enable --now systemd-networkd >/dev/null 2>&1
	printf "search home\\nnameserver 192.168.1.1\\n" |
		sudo tee /etc/resolv.conf >/dev/null
	sudo systemctl enable --now systemd-resolved >/dev/null 2>&1
}

install_progs() {
	if [ ! "$1" ]; then
		1>&2 echo "No arguments passed. No exta programs will be installed."
		return 1
	fi

	# Use all cpu cores to compile packages
	sudo sed -i "s/-j2/-j$(nproc)/;s/^#MAKEFLAGS/MAKEFLAGS/" /etc/makepkg.conf

	# Merges all csv files in one file. Checks for local files first.
	for file in $@; do
		if [ -r programs/${file}.csv ]; then
			cat programs/${lsb_dist}.${file}.csv >> /tmp/progs.csv
		else
			curl -Ls "${programs_repo}${lsb_dist}.${file}.csv" >> /tmp/progs.csv
		fi
	done

	# Remove comments and empty lines.
	sed -i '/^#/d;/^,/d' /tmp/progs.csv

	# Total number of progs in all lists.
	total=$(wc -l < /tmp/progs.csv)

	fail_msg(){
		[ $program ] &&
		echo "$(tput setaf 1)$program failed$(tput sgr0)" | \
			tee -a /home/${name}/failed
	}

	echo  "Installing packages from csv file(s): $@"

	while IFS=, read -r program comment tag; do ((n++))
		# Removes quotes from the comments.
		echo "$comment" | grep -q "^\".*\"$" && 
			comment="$(echo "$comment" | sed "s/\(^\"\|\"$\)//g")"

		# Pretty output with columns.
		printf "%07s %-20s %2s %2s" "[$n""/$total]" "$(basename $program)" - "$comment"

		# the actual installation of packages in csv lists.
		case "$tag" in
			"") printf '\n'
				pacman --noconfirm --needed -S "$program" > /dev/null 2>&1 || fail_msg
			;;
			aur | A) printf "(AUR)\n"
				sudo -u "$name" yay -S --needed --noconfirm "$program" >/dev/null 2>&1 || fail_msg
			;;
			git | G) printf "(GIT)\n"
				local dir=$(mktemp -d)
				git clone --depth 1 "$program" "$dir" > /dev/null 2>&1
				cd "$dir" && make >/dev/null 2>&1
				make install >/dev/null 2>&1 || fail_msg
			;;
			pip | P) printf "(PIP)\n"
				# Installs pip if needed.
				command -v pip || quick_install python-pip
				yes | pip install "$program" || fail_msg
			;;
			flatpak | F) printf "(Flatpak)\n"
			#### DONT USE THIS
				flatpak remote-add --if-not-exists \
					flathub \
					https://flathub.org/repo/flathub.flatpakrepo > /dev/null 2>&1
				flatpak install -y "$program" > /dev/null 2>&1
			;;
		esac
	done < /tmp/progs.csv
}

data() { # Mounts my HHD. Useless to anyone else
	# Maybe you could use the mount options for your HDD,
	# or help me improve mine.
	sudo mkdir -p /media/Data
	local duuid mntPoint mntOpt
	duuid="UUID=fe8b7dcf-3bae-4441-a4f3-a3111fee8ca4"
	mntPoint="/media/Data"
	mntOpt="ext4 rw,noatime,nofail,user,auto 0 2"
	printf "\\n%s \t%s \t%s\t\\n" "$duuid" "$mntPoint" "$mntOpt" |
		sudo tee -a /etc/fstab >/dev/null
}

merge_lists() {
	# Merges all csv files in one file. Checks for local files first.
	for file in "$@"; do
		if [ -r "$ID.$file.csv" ]; then
			cat "$ID.$file.csv" >>/tmp/progs.csv
		elif [ -r "programs/$ID.$file.csv" ]; then
			cat "programs/$ID.$file.csv" >>/tmp/progs.csv
		else
			curl -Ls "$progs_repo/$ID.$file.csv" >>/tmp/progs.csv
		fi
	done
	# local packages extra_repos nvidiaGPU
	# packages=$(sed '/^#/d;/^,/d;s/,.*$//' /tmp/progs.csv | tr "\n" " ")
	# extra_repos=$(sed '/^#/d;/^,/d;s/^.*,//' /tmp/progs.csv)

}

ALT_merge_lists() {
	# Merges all csv files in one file. Checks for local files first.
	for file in "$@"; do
		if [ -r "$ID.$file.csv" ]; then
			packages="$packages $(sed '/^#/d;/^,/d;s/,.*$//' $ID.$file.csv)"
			extra_repos="$extra_repos  $(sed '/^#/d;/^,/d;s/^.*,//' $ID.$file.csv)"
		elif [ -r "programs/$ID.$file.csv" ]; then
			packages="$packages $(sed '/^#/d;/^,/d;s/,.*$//' programs/$ID.$file.csv)"
			extra_repos="$extra_repos  $(sed '/^#/d;/^,/d;s/^.*,//' programs/$ID.$file.csv)"
		else
			packages="$packages $(curl -Ls "$progs_repo/$ID.$file.csv" | sed '/^#/d;/^,/d;s/,.*$//')"
			extra_repos="$extra_repos $(curl -Ls "$progs_repo/$ID.$file.csv" | sed '/^#/d;/^,/d;s/^.*,//')"
			
		fi
	done
}
hostname=$(hostnamectl | awk -F": " 'NR==1 {print $2}')


agetty_set() {
	# Doesn't ask for username on the tty for faster logins.
	# Default user is going to be the user who's running the script.

	local ExexStart log
	ExexStart="ExecStart=-\/sbin\/agetty --skip-login --login-options"
	log="$ExexStart $USER --noclear %I \$TERM"
	sed "s/^Exec.*/$log/" /usr/lib/systemd/system/[email protected] |
		sudo tee /etc/systemd/system/[email protected] >/dev/null
	sudo systemctl daemon-reload
	sudo systemctl reenable [email protected]

	grep -q "Anergos" /etc/issue && return
	# Edits login screen
	cat <<-EOF | sudo tee -a /etc/issue >/dev/null
		\e[0;36m
		 Anergos Meta-distribution
		 Website:  github.com/ispanos/anergos
		 Hostname: \\n
		\e[0m
	EOF
}