This is a little tool for downloading single files from the NUS Server based on JNUSLib
Usage
Create a file common.key which contains the retail Wii U common key in binary.
Example: Downloading the coreinit.rpl for system version 5.3.2 into the folder tmp/532. java -jar FileDownloader.jar -titleID 000500101000400A -file '.*coreinit.rpl' -version 11464 -out tmp/532
You can use java -jar FileDownloader.jar --help for more usage instructions.
Building
Requires maven and the Java 8 JDK. mvn clean assembly:single package