Simple helper to download RimWorld mods via the terminal from SteamWorkshop.

rimmod.sh

#!/usr/bin/env bash

# Downloads a RimWorld mod from a SteamWorkshop URL
#
# Usage: rimmod URL [URL2 [URL3]]]
# Example: rimmod https://steamcommunity.com/sharedfiles/filedetails/?id=2009463077
#
# Requires steamcmd to be installed and in $PATH
# Mods will be installed in the Steam folder. (i.e. ~/.steam/SteamApps/workshop/content/294100/)
function rimmod() {
  app_id=294100
  if [[ $# -eq 0 ]]; then
    echo "Expected one or more SteamWorkshop URL(s)"
    exit 1
  fi

  cmds="steamcmd +login anonymous"
  for arg in "$@"; do
    mod_id=$(echo "$arg" | grep -oP 'id=\K([0-9]+)')
    if [ -z "$mod_id" ]; then
      echo "Failed to parse $arg"
      exit 1
    fi
    cmds="$cmds +workshop_download_item $app_id $mod_id"
  done

  eval "$cmds +quit"
}