if [ -z ${dir+x} ]; then echo "\$dir not set, skipping."; exit 22; else
    if grep -q "set OPENSSL_ia32cap=:~0x20000000" $dir/game/bin/launch.bat; then echo "Patch already present in file, skipping."; else
        sed -i '/@echo off/Ia set OPENSSL_ia32cap=:~0x20000000' $dir/game/bin/launch.bat
    fi
fi