Run `Brutal Doom` on Arch Linux

brutal_doom.sh

#!/bin/sh

# Run `Brutal Doom` on Arch Linux
#
# Installation notes:
#  - install gzdoom from the AUR: https://aur.archlinux.org/packages/gzdoom/
#  - if the PGKBUILD has fmodex error, install fmodex first: https://aur.archlinux.org/packages/fmodex4.26.36/
#  - download Brutal Doom from http://www.moddb.com/mods/brutal-doom and extract the content to a directory
#  - set the `DIR` variable to the directory where Brutal Doom got extracted
#  - run this file

DIR=~/Games/Brutal_Doom-Hell_on_Earth_Starter_Pack

gzdoom \
    -iwad $DIR/freedoom.wad \
    -file $DIR/brutalv20b.pk3 \
    -file $DIR/hellonearthstarterpack.wad \
    -file $DIR/ExtraTextures.wad