Steam downloader for non mac/linux games on mac/linux

download_steam_app.sh

#!/usr/bin/env bash

###
# This script uses SteamCmd to force downloads of games for other platforms.
# First, install SteamCmd from https://developer.valvesoftware.com/wiki/SteamCMD
# Place this script next to steamcmd.sh and make it executable (chmod u+x download_steam_app.sh)
# Finally, set the config to refer to your username. If you are already signed in to steam you should not need to enter a password.
#
# Usage:
# ./download_steam_app.sh <steam_store_url>
# or
# ./download_steam_app.sh <steam_app_id>
#
# Config is below:
###

STEAM_USERNAME='fadookie' # Set this to your steam username
FORCED_PLATFORM_TYPE='windows' # Set this to the platform of the game you are trying to download
DOWNLOAD_ROOT='download' # Set this to a path relative to the working directory where you would like games to be downloaded

### END Config ###

set -o nounset
set -o errexit
set -o pipefail

APP_ID="$1"
APP_NAME="$APP_ID"

if [[ "$1" == http* ]]; then
    # Extract app id and name from provided url
    APP_ID=$(echo "$1"|cut -d'/' -f5)
    APP_NAME=$(echo "$1"|cut -d'/' -f6)
fi;
set -x
./steamcmd.sh +@sSteamCmdForcePlatformType "$FORCED_PLATFORM_TYPE" +login "$STEAM_USERNAME" +force_install_dir "$DOWNLOAD_ROOT/${APP_NAME}_${APP_ID}" +app_update "$APP_ID" validate +quit