Untar a tarball with Go

gistfile1.go

package main

import (
    "archive/tar"
    "io"
    "os"
)

func main() {
    f, _ := os.Open("archive.tar")
    defer f.Close()
    untarred, _ := os.Create("untarred")
    defer untarred.Close()
    tarReader := tar.NewReader(f)
    io.Copy(untarred, tarReader)
}