A simple script that sets environment variables to allow launching applications using Proton's wine

protonenv

#!/usr/bin/env bash

# A simple script that sets environment variables to allow launching applications using Proton's wine
# You can either source the script for use in the current shell, after which you can use wine commands as usual
# Or execute it with a program as the arguments e.g `protonenv winetricks` or `protonenv winecfg`

# Paths to check for Steam installation
STEAM_DIRS="
$HOME/.local/share/Steam
$HOME/.steam/steam
$HOME/.steam/root
"
# Check for default Steam library
for STEAM_DIR in ${STEAM_DIRS}; do
    if [ -d  "${STEAM_DIR}/steamapps" ]; then
        break
    else
        unset STEAM_DIR
    fi
done

if [ -z "${STEAM_DIR}" ]; then
    echo "ERROR: No Steam path found!"
else
    LIBRARY_DIRS="${STEAM_DIR}"
    # Get non-default Steam library paths from libraryfolders.vdf
    LIBRARY_DIRS="${LIBRARY_DIRS} $(grep -E "\"[0-9]{1,2}\"" "${STEAM_DIR}/steamapps/libraryfolders.vdf" \
    | sed 's/\s*"[0-9]*"\s*"//' | sed 's/"$//')"

    # Get Proton path
    PROTON_DIR=$(find ${LIBRARY_DIRS} -maxdepth 3 -type d -iwholename '*/steamapps/common/Proton*' -print -quit)

    if [ -z "${PROTON_DIR}" ]; then
        echo "ERROR: Proton path not found!"
    else
        echo "Found Proton at ${PROTON_DIR}"

        # Set the proton environment
        echo "Setting env vars"
        W="${PROTON_DIR}/dist"
        export WINEVERPATH="${W}"
        export PATH="${W}/bin${PATH:+:${PATH}}"
        export WINESERVER="${W}/bin/wineserver"
        export WINE="${W}/bin/wine"
        export WINELOADER="${W}/bin/wine"
        export WINEDLLPATH="${W}/lib64/wine:${W}/lib/wine"
        export LD_LIBRARY_PATH="${W}/lib64:${W}/lib:$("${STEAM_DIR}/ubuntu12_32/steam-runtime/run.sh" --print-steam-runtime-library-paths)${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
    fi
fi

# Don't pollute the environment in case this script is sourced
unset STEAM_DIRS STEAM_DIR LIBRARY_DIRS PROTON_DIRS PROTON_DIR

if [ -n "$*" ]; then
    exec "${@}"
fi

Dear friend,

firstly I must thank you for this, is very cool.
Furthermore, I can't figure it out how to use it. I have already added to my path in usr/bin
then I add the template to Ksysguard.

I apologise, I am not an acceptable linux user.