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dec-decode: an iso.dec decoder written in Go

This tool implements the NASOS method of decoding .iso.dec files back into plain .iso files.

History

This tool is also written in Go and born of a frustration that:

  1. the NASOS tool is being used to archive ISOs with limited implementations available
  2. the original NASOS tool is written as a .NET GUI tool for Windows and is slow on Linux
  3. it is hard to find a canonical site for getting the tool
  4. It requires downloading unknown binaries

This is a pure Go implementation that documents how this works and should work on all platforms supported by Go. This alleviates all the concerns above.

Installation

You need a working Go installation (I used Go 1.12 on Ubuntu Linux 18.04)

For Go >= 1.17, you can install the tool and required libraries with:

go install github.com/sammiq/dec-decode@latest

For Go < 1.11 the you will need to install the required libraries manually:

go get github.com/jessevdk/go-flags

Get the tool quickly with:

go get github.com/sammiq/dec-decode

Alternatively, you can clone this repository and build the tool with:

go install

Usage

dec-decode [OPTIONS] Files...

Application Options:
-s, --suffix=  add a suffix to the output file
-v, --verbose  show lots more information than is probably necessary

Help Options:
-h, --help     Show this help message

Arguments:
Files:         list of files to decode

Status

System Size Status
Wii DVD5 Working
Wii DVD9 Working
GameCube DISC Untested