ribs is a simple IPS patcher written in Ruby. Omitting the output option and setting the verbose flag allows for a dry run.
ruby ribs.rb
ribs is a basic IPS patcher. Because we needed one more.
Usage: ruby ribs.rb -b ROM -p IPS -o OUTPUT ...
-b, --base ROM Base ROM
-p, --patch IPS IPS patch to apply
-o, --out OUTPUT Patched ROM to output
-v, --verbose Run verbosely
-h, --help Display this help and exit