protontricks script to start trainer in game prefix

trainer.sh

#!/bin/bash

# 1. Read games safely into array (each line = one element)
mapfile -t GAMES < <(protontricks -l | grep -E '\([0-9]+\)')

# 2. Show list
CHOICE=$(zenity --list \
    --title="Select Steam Game" \
    --column="Installed Games" \
    --width=600 --height=400 \
    "${GAMES[@]}")

# Exit if cancelled
[ -z "$CHOICE" ] && exit 1

# 3. Extract AppID
APPID=$(echo "$CHOICE" | awk -F'[()]' '{print $2}')

# 4. Pick trainer
TRAINER_PATH=$(zenity --file-selection \
    --title="Select Trainer .exe" \
    --filename="$HOME/Games/" \
    --file-filter="*.exe")

[ -z "$TRAINER_PATH" ] && exit 1

# 5. Launch
zenity --info --text="Launching trainer for AppID: $APPID\n\nEnsure the game is running!" --timeout=2
protontricks-launch --no-bwrap --appid "$APPID" "$TRAINER_PATH"