include tar.xz (de)compression

[cocodrino]

Hi..I think than it could be possible using https://godoc.org/xi2.org/x/xz

package main

import (
    "archive/tar"
    "fmt"
    "io"
    "log"
    "os"

     "xi2.org/x/xz"
 )

func main() {
    // Open a file
    f, err := os.Open("myfile.tar.xz")
    if err != nil {
        log.Fatal(err)
    }
    // Create an xz Reader
    r, err := xz.NewReader(f, 0)
    if err != nil {
        log.Fatal(err)
    }
    // Create a tar Reader
    tr := tar.NewReader(r)
    // Iterate through the files in the archive.
    for {
        hdr, err := tr.Next()
        if err == io.EOF {
            // end of tar archive
            break
        }
        if err != nil {
            log.Fatal(err)
        }
        switch hdr.Typeflag {
        case tar.TypeDir:
            // create a directory
            fmt.Println("creating:   " + hdr.Name)
            err = os.MkdirAll(hdr.Name, 0777)
            if err != nil {
                log.Fatal(err)
            }
        case tar.TypeReg, tar.TypeRegA:
            // write a file
            fmt.Println("extracting: " + hdr.Name)
            w, err := os.Create(hdr.Name)
            if err != nil {
                log.Fatal(err)
            }
            _, err = io.Copy(w, tr)
            if err != nil {
                log.Fatal(err)
            }
            w.Close()
        }
    }
    f.Close()
}

can u check this?..thanks!

[mholt]

Cool! I can look into it. Is there a pure Go package that does compression too? It'd be really great to have both if possible.

[cocodrino]

seems than the documentation is a bit old but if you go to the github project home you'll see than this even provides a command line utility for achieve this!! 😜 ...

[mholt]

Done in cdc68dd