rttbatch.sh

#!/bin/bash
# Convert all rocksmith on-disc songs and DLC using RocksmithToTab.exe
# https://github.com/fholger/RocksmithToTab/wiki/MacUserGuide

rtt_path="/Users/vic/Downloads/RocksmithToTab/RocksmithToTab.exe"
rs_dir="/Users/vic/Library/Application Support/Steam/SteamApps/common/Rocksmith2014/"
dlc_dir="/Users/vic/Library/Application Support/Steam/SteamApps/common/Rocksmith2014/dlc/" 
dest_dir="/Users/vic/Documents/Rocksmith/GuitarPro"

echo "Extracting on-disc songs..."
mono ${rtt_path} "${rs_dir}songs.psarc" -o "${dest_dir}"

echo "Extracting dlc songs..."
files="$(find -L "$dlc_dir"*_m.psarc -type f -exec basename {} \;)"
for file in $files;
do
	mono ${rtt_path} "${dlc_dir}${file}" -o "${dest_dir}"
done