youtube downloader, and prettier setup script

dotfiles/i3/config

 bindsym $mod+comma exec xdotool click 1
 
 # toggle touchpad
-bindsym $mod+d exec toggleTouchpad
+bindsym $mod+d exec touchpad-toggle
 
 exec sh .startup.sh
 exec xset r rate 200 60

setup.sh

 #!/bin/sh
 
+commands_missing=0
 check_exists()
 {
 	which "$1" 1> /dev/null
 	if [ "$?" -ne 0 ]; then
-		echo "Warning: Missing command: ${1}. Continue? (y/n)"
-		read response
-		if [ "$response" != "y" ]; then
-			echo "Aborting."
-			exit 1
-		fi
+		commands_missing=1
+		echo "Missing command: $1"
 	fi
 }
 
 check_exists "zsh"
 check_exists "tmux"
 check_exists "vim"
+check_exists "python"
+check_exists "xdotool"
 check_exists "i3"
 check_exists "compton"
 check_exists "amixer"
 check_exists "xbacklight"
 check_exists "feh"
 
+if [ $commands_missing -ne 0 ]; then
+	echo "Some commands are missing. Continue? (y/n)"
+	read response
+	if [ "$response" != "y" ]; then
+		echo "Aborting."
+		exit 1
+	fi
+fi
+
 echo "Copying dotfiles..."
 cd dotfiles
 for f in *; do