Scripts to create launch menu for Doom 1 PWADs

Doom 1 Mods.sh

#Place this file in /home/pi/RetroPie/roms/ports/
#!/bin/bash
"/opt/retropie/supplementary/runcommand/runcommand.sh" 0 _PORT_ "doom1-mods" ""

doom-mods-dialog-prboom.sh

#!/bin/bash
#
#Script to select and launch mods (PWADs) for Doom 2 using libretro-prboom engine
#This script is untested
#Place this file in /opt/retropie/configs/ports/doom2-mods
#You will need to add emulators.cfg file to the same folder 
#
menu(){
    cmd=(dialog --clear --nocancel --backtitle "Mod Launcher for Doom 2" --menu "Choose a mod for Doom 2." 22 86 16)
    options=(
		1 "Alien Vendetta" 
		2 "Batman Doom" 
		3 "Fistful of Doom"
		4 "Simpsons_Doom"
		0 "Return to EmulationStation"
    )
    choice=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty)

    case $choice in
    	1)
	 		PRBOOM_FOLDER="alien"
			;;
		2)
			PRBOOM_FOLDER="batman"
			;;
		3)
			PRBOOM_FOLDER="fistful"
			;;
		4)
			PRBOOM_FOLDER="simpsons
		    ;;
		0)
		    return 1
		    ;;
	esac

    echo `/opt/retropie/emulators/retroarch/bin/retroarch -L /opt/retropie/libretrocores/lr-prboom/prboom_libretro.so --config /opt/retropie/configs/doom/retroarch.cfg /home/pi/RetroPie/roms/ports/$PRBOOM_FOLDER/doom2.wad`
}

menu

doom1-mods-dialog.sh

#!/bin/bash
#
#Script to select and launch mods for Doom 1
#Place this file in /opt/retropie/configs/ports/doom1-mods
#

menu(){
    cmd=(dialog --clear --nocancel --title "Mod (PWAD) Launcher for Doom" --menu "Choose a Mod for Doom 1." 22 86 16)
    options=(
		1 "Aliens TC" 
		2 "Tech Gone Mad" 
		3 "The Classic Episode"
		0 "Return to EmulationStation"
    )
    choice=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty)

    case $choice in
    	1)
    		CRISPY_FLAG="-episode 2 -deh /home/pi/RetroPie/roms/ports/doom-mods/ATCUD19.DEH -merge /home/pi/RetroPie/roms/ports/doom-mods/ALITCSF.WAD -file /home/pi/RetroPie/roms/ports/doom-mods/ALITCSND.WAD /home/pi/RetroPie/roms/ports/doom-mods/ALITCWAD.WAD"
			;;
		2)
			CRISPY_FLAG="-warp 1 8 -file /home/pi/RetroPie/roms/ports/doom-mods/e1m8b.wad"
			;;
		3)
			CRISPY_FLAG="-episode 2 -file /home/pi/RetroPie/roms/ports/doom-mods/Class_Ep.wad"
			;;
		0)
		    return 1
		    ;;
	esac

}

launch(){
	if [[ "$choice" != 0 ]]; then
	    echo `/opt/retropie/ports/crispy-doom/crispy-doom -iwad /home/pi/RetroPie/roms/ports/doom/doom.wad $CRISPY_FLAG`
	fi
}

menu
launch

emulators.cfg

#Place this file in /opt/retropie/configs/ports/doom1-mods
Doom_PWAD_Launcher = "/opt/retropie/configs/ports/doom-mods/doom1-mods-dialog.sh"
default = "Doom_PWAD_Launcher"