godd

A Simple block copy and write utility for low level systems programming.

Installation

go install github.com/td4b/godd@latest

Update your path or copy the binary to where you want to use it.

export PATH=$PATH:$HOME/go/bin/godd

Example usage

Usage:
  go run dd.go -if=input.txt -of=output.txt -bs=1024 -workers=4

Flags:
  -bs string
        Block size in bytes (default: 512)
  -if string
        Input file (required)
  -of string
        Output file (required)
  -workers int
        Number of concurrent workers (default: 4) (default 4)

Example of copying a source file descriptor to a destination.

godd -if=source.txt -of=dest.txt

Test Cases

Using dd to generate a source or dest file for test cases (random), for byte size testing.

dd if=/dev/urandom bs=1M count=2000 > source.txt

Add structured data testing (Copy Linux Kernel and Grub boot loader) and ensure the system boots.