doom_launcher.sh

#!/bin/bash

iwad="doom2"

read -p "Enter map to play on (leave blank for stock): " map
read -p "Enter IWAD required by map (leave blank for DOOM 2): " iwad
read -p "Enter gameplay mod (smooth, babel, drifter, hideous - leave blank for stock): " gameplay
read -p "Enter patches, additional cosmetic mods, or cvars (leave blank for none): " patch

if   [ "$gameplay" = "smooth" ]
then
    extra="smooth_lite.pk3 footsteps.pk3 fullscrn_huds.pk3 healthwarning.pk3 damnums.pk3 dmgdirov.pk3 targetspy.pk3 nashgore.pk3 cblood.pk3"
elif [ "$gameplay" = "babel" ]
then
    extra="babel.pk3 footsteps.pk3 fullscrn_huds.pk3 allclear_hm.pk3 damnums.pk3 dmgdirov.pk3 nashgore.pk3 cblood.pk3"
elif [ "$gameplay" = "drifter" ]
then
    extra="high_noon_drifter12c.pk3 healthwarning.pk3 damnums.pk3 dmgdirov.pk3 nashgore.pk3 cblood.pk3"
elif [ "$gameplay" = "hideous" ]
then
    extra="hideous_destructor.zip darkdoomz.zip ugly_as_sin.zip hd_balaclava.pk3 hd_nightvision.zip hd_title hd_suppressedsmg hd_insurgencysfx.pk3"
elif [ -n $gameplay ]
then
    extra="$gameplay footsteps.pk3 healthwarning.pk3 nashgore.pk3 cblood.pk3"
else
    :
fi

gzdoom -iwad $iwad -file $map $extra $patch