script to update romhacks dats using rhdnet and merging to a existing file

update_dats.sh

#!/bin/bash


#cd to the script dir if executed from outside
SCRIPT_PATH=$(dirname "$(readlink -f "$0")")
cd "$SCRIPT_PATH"
if [ ! -t 1 ]; then #not from terminal
    SCRIPT=$(basename "$(readlink -f "$0")")
    SUBPROC=1 x-terminal-emulator --profile "$USER" --working-directory "$SCRIPT_PATH" -e "./$SCRIPT" &
    exit 0    
fi

#pypi path which because of a bug sometimes isn't on the path
if [ -d "$HOME/.local/bin" ] ; then
    PATH="$HOME/.local/bin:$PATH"
fi

hash rhdndat 2>/dev/null || { echo >&2 "Program requires rhdndat but it's not installed. Aborting."; exit 1; }

DATS=/media/i30817/backup/Documents/Games/dats
GAMES=/media/i30817/backup/Documents/Games
OUT=/media/i30817/backup/Documents/projects/libretro-database/metadat/hacks
OUT2=/media/i30817/backup/Documents/projects/libretro-database/dat

#SYS="Adventure Game Studio";                                 rhdndat "$GAMES/$SYS" "exe" -o "$OUT2/$SYS.dat"

SYS="SNK - Neo Geo Pocket Color";                            rhdndat -d "$DATS/ngc.xml" "$GAMES/$SYS" "ngc" -o "$OUT/$SYS.dat"
SYS="Bandai - WonderSwan";                                   rhdndat -d "$DATS/ws.xml"  "$GAMES/$SYS" "ws"  -o "$OUT/$SYS.dat"
SYS="Bandai - WonderSwan Color";                             rhdndat -d "$DATS/wsc.xml" "$GAMES/$SYS" "wsc" -o "$OUT/$SYS.dat"
SYS="NEC - PC Engine - TurboGrafx 16";                       rhdndat -d "$DATS/pce.xml" "$GAMES/$SYS" "pce" -o "$OUT/$SYS.dat"
SYS="Nintendo - Game Boy";                                   rhdndat -d "$DATS/gb.xml"  "$GAMES/$SYS" "gb"  -o "$OUT/$SYS.dat"  
SYS="Nintendo - Game Boy Advance";                           rhdndat -d "$DATS/gba.xml" "$GAMES/$SYS" "gba" -o "$OUT/$SYS.dat"
SYS="Nintendo - Game Boy Color";                             rhdndat -d "$DATS/gbc.xml" "$GAMES/$SYS" "gbc" -o "$OUT/$SYS.dat"
SYS="Nintendo - Nintendo 64";                                rhdndat -d "$DATS/n64.xml" "$GAMES/$SYS" "n64" -o "$OUT/$SYS.dat"
SYS="Nintendo - Nintendo 64";                                rhdndat -d "$DATS/n64.xml" "$GAMES/$SYS" "v64" -o "$OUT/$SYS.dat"
SYS="Nintendo - Nintendo 64";                                rhdndat -d "$DATS/n64.xml" "$GAMES/$SYS" "z64" -o "$OUT/$SYS.dat"
SYS="Nintendo - Nintendo DS";                                rhdndat -d "$DATS/nds.xml" "$GAMES/$SYS" "nds" -o "$OUT/$SYS.dat"
#SYS="Nintendo - Nintendo Entertainment System";              rhdndat -d "$DATS/nes.xml" "$GAMES/$SYS" "nes" -o "$OUT/$SYS.dat"
#SYS="Nintendo - Super Nintendo Entertainment System";        rhdndat -d "$DATS/snes.xml" "$GAMES/$SYS" "sfc" -o "$OUT/$SYS.dat"
SYS="Sega - Game Gear";                                      rhdndat -d "$DATS/sgg.xml" "$GAMES/$SYS" "gg"  -o "$OUT/$SYS.dat" 
SYS="Sega - Master System - Mark III";                       rhdndat -d "$DATS/sms.xml" "$GAMES/$SYS" "sms" -o "$OUT/$SYS.dat"
SYS="Sega - Mega Drive - Genesis";                           rhdndat -d "$DATS/gen.xml" "$GAMES/$SYS" "md"  -o "$OUT/$SYS.dat" 
SYS="Sega - 32x";                                            rhdndat -d "$DATS/32x.xml" "$GAMES/$SYS" "32x" -o "$OUT/$SYS.dat"
SYS="Sega - Saturn";                                         rhdndat -d "$DATS/sat.xml" "$GAMES/$SYS" "bin" -o "$OUT/$SYS.dat"
SYS="Sony - PlayStation";                                    rhdndat -d "$DATS/ps1.xml" "$GAMES/$SYS" "bin" -o "$OUT/$SYS.dat"
SYS="Sony - PlayStation Portable";                           rhdndat -d "$DATS/psp.xml" "$GAMES/$SYS" "iso" -o "$OUT/$SYS.dat"
SYS="Sony - PlayStation 2";                                  rhdndat -d "$DATS/ps2.xml" "$GAMES/$SYS" "iso" -o "$OUT/$SYS.dat"

#keep terminal open if subprocess started to show output
#indicated by SUBPROC being set
[[ -v SUBPROC ]] && read -p "Press any key to exit" -n1 junk