a3_mod_download.sh

#!/bin/bash

declare -A mods

# ==== EDIT BELOW ====

steam_user="connormcf10"
download_mbps="1000"

steamcmd_path="/home/mcserver/Steam"
arma3_path="/home/mcserver/arma3"

# important on Linux
lowercase_files=1

# list of mods
# mods[<MOD NAME>]=<STEAM WORKSHOP ID>
mods[ace]=463939057
mods[ace3_ext_animsactions]=766491311
mods[ace3_ext_placeables]=866772689
mods[adv_ai_command]=685037021
mods[adv_rappelling]=713709341
mods[adv_sling_loading]=615007497
mods[adv_towing]=639837898
mods[adv_urban_rappelling]=730310357

mods[cba_a3]=450814997
mods[cup_terrains_core]=583496184
mods[cup_terrains_maps]=583544987
mods[cup_units]=497661914
mods[cup_vehicles]=541888371
mods[cup_weapons]=497660133
mods[cup_ace3_compat_vehicles]=621650475
mods[cup_ace3_compat_weapons]=549676314

mods[mountain_wilderness_terrain]=883340794

mods[mrb_air_visibility]=929396506
mods[mrb_vehicle_visibility]=930903722
mods[dynamic_view_distance]=1360202407
mods[enhanced_movement]=333310405

mods[mcc_sandbox4]=338988835
mods[personal_arsenal]=457905859
mods[task_force_radio]=620019431

# dont care

mods[antimat_rifle]=933340798
mods[bg21_famas]=536544384

# ==== EDIT ABOVE ====

STEAMCMD_MODS=""
MODLIST=""

for mod in "${!mods[@]}"; do
        echo "${mod}: ${mods[$mod]}";
        STEAMCMD_MODS="${STEAMCMD_MODS} +\"workshop_download_item 107410 ${mods[$mod]}\""
        MODLIST="${MODLIST}@${mod};"
done

echo $STEAMCMD_MODS

STEAMCMD="${steamcmd_path}/steamcmd.sh +login ${steam_user} +force_install_dir ${arma3_path} +app_update 233780 ${STEAMCMD_MODS} validate +quit"

eval $STEAMCMD

echo -e "\n===\nSTEAM DOWNLOAD COMPLETE\n===\n"

for mod in "${!mods[@]}"; do
        MODPATH="${arma3_path}/steamapps/workshop/content/107410/${mods[$mod]}"

        echo "Symlinking @${mod}"
        rm -f ${arma3_path}/@${mod}
        ln -s ${MODPATH} ${arma3_path}/@${mod}

        if [[ $lowercase_files -eq 1 ]]; then
                echo "Lowercasing @${mod}"
                pushd ${MODPATH}
                for f in `find`; do mv -v "$f" "`echo $f | tr '[A-Z]' '[a-z]'`"; done
                popd
        fi
done

echo "Great success? Here is your command:"
echo "-mod=${MODLIST::-1}" | tee a3modlistcmd