Port of the PS2 Homebrew tool [esr-disc-patcher-cli](https://github.com/ali-raheem/esrtool). Based on [Tatsh's original work posted on PSX-Scene](https://web.archive.org/web/20150919031500/http://psx-scene.com/forums/f164/esr-disc-patcher-linux-mac-qt4-port-60096/).
MIT Licensed to fit with similar software. Also note notice in other ESR patching tools below.
```
ESRPATCH v0.24 - PS2 ISO patcher for ffgriever's ESR project
By: bootsector - http://www.brunofreitas.com/
```