Run another exe file from steam proton

proton_exec.sh

#!/bin/bash

game_id=$1
game_folder=$2
executable_file=$3

### Checks

if [ -z "$game_id" ] || [ -z "$game_folder" ] || [ -z "$executable_file" ]; then
	echo "Example: ./proton_exec.sh 211600 thief_gold \$HOME/executable_file.exe"
fi

if [ -z "$game_id" ]; then
	echo "Need app id game from steam"
	exit 1
fi

if [ -z "$game_folder" ]; then
	echo "Need folder name for game"
	exit 1
fi

if [ -z "$executable_file" ]; then
        echo "Need full path to executable file"
        exit 1
fi

### Preparation

steamapps_path="$HOME/.local/share/Steam/steamapps"
game_path="$steamapps_path/common/$game_folder"
compatdata_path="$steamapps_path/compatdata/$game_id"
pfx="$compatdata_path/pfx"
proton_version_source=$(<$compatdata_path/version)
proton_version=${proton_version_source%-*}
wine64="$HOME/.local/share/Steam/steamapps/common/Proton $proton_version/dist/bin/wine64"

### Execution

cd "$pfx/drive_c/Program Files (x86)"
ln -sf $game_path .
"$wine64" "$executable_file"