Create a List of all installed packages on Arch Linux
Say you need a backup list of every package installed on your Arch system. This should be simple enough:
pacman -Qe > intalled_apps.txt
Lets say you’re setting up a new box, or blew away your installation and want to go back just to the way things were. Well save this file, and once you’ve gone through the initial Arch install simply run
for x in $(cat install_apps.txt); do pacman -S $x; done
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