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GitHub - kdomanski/iso9660: A go library for reading and creating ISO9660 images
A go library for reading and creating ISO9660 images - kdomanski/iso9660
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GitHub - kdomanski/iso9660: A go library for reading and creating ISO9660 images

GitHub - kdomanski/iso9660: A go library for reading and creating ISO9660 images

iso9660

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A package for reading and creating ISO9660

Joliet extension is NOT supported.

Experimental support for reading Rock Ridge extension is currently in the works. If you are experiencing issues, please use the v0.3 release, which ignores Rock Ridge.

References for the format:

Examples

Extracting an ISO

package main

import (
  "log"

  "github.com/kdomanski/iso9660/util"
)

func main() {
  f, err := os.Open("/home/user/myImage.iso")
  if err != nil {
    log.Fatalf("failed to open file: %s", err)
  }
  defer f.Close()

  if err = util.ExtractImageToDirectory(f, "/home/user/target_dir"); err != nil {
    log.Fatalf("failed to extract image: %s", err)
  }
}

Creating an ISO

package main

import (
  "log"
  "os"

  "github.com/kdomanski/iso9660"
)

func main() {
  writer, err := iso9660.NewWriter()
  if err != nil {
    log.Fatalf("failed to create writer: %s", err)
  }
  defer writer.Cleanup()

  f, err := os.Open("/home/user/myFile.txt")
  if err != nil {
    log.Fatalf("failed to open file: %s", err)
  }
  defer f.Close()

  err = writer.AddFile(f, "folder/MYFILE.TXT")
  if err != nil {
    log.Fatalf("failed to add file: %s", err)
  }

  outputFile, err := os.OpenFile("/home/user/output.iso", os.O_WRONLY | os.O_TRUNC | os.O_CREATE, 0644)
  if err != nil {
    log.Fatalf("failed to create file: %s", err)
  }

  err = writer.WriteTo(outputFile, "testvol")
  if err != nil {
    log.Fatalf("failed to write ISO image: %s", err)
  }

  err = outputFile.Close()
  if err != nil {
    log.Fatalf("failed to close output file: %s", err)
  }
}

Recursively create an ISO image from the given directories

package main

import (
  "fmt"
  "log"
  "os"
  "path/filepath"
  "strings"

  "github.com/kdomanski/iso9660"
)

func main() {
  writer, err := iso9660.NewWriter()
  if err != nil {
    log.Fatalf("failed to create writer: %s", err)
  }
  defer writer.Cleanup()

  isoFile, err := os.OpenFile("C:/output.iso", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0644)
  if err != nil {
    log.Fatalf("failed to create file: %s", err)
  }
  defer isoFile.Close()

  prefix := "F:\\" // the prefix to remove in the output iso file
  sourceFolders := []string{"F:\\test1", "F:\\test2"} // the given directories to create an ISO file from

  for _, folderName := range sourceFolders {
    folderPath := strings.Join([]string{prefix, folderName}, "/")

    walk_err := filepath.Walk(folderPath, func(path string, info os.FileInfo, err error) error {
      if err != nil {
        log.Fatalf("walk: %s", err)
        return err
      }
      if info.IsDir() {
        return nil
      }
      outputPath := strings.TrimPrefix(path, prefix) // remove the source drive name
      fmt.Printf("Adding file: %s\n", outputPath)

      fileToAdd, err := os.Open(path)
      if err != nil {
        log.Fatalf("failed to open file: %s", err)
      }
      defer fileToAdd.Close()

      err = writer.AddFile(fileToAdd, outputPath)
      if err != nil {
        log.Fatalf("failed to add file: %s", err)
      }
      return nil
    })
    if walk_err != nil {
      log.Fatalf("%s", walk_err)
    }
  }

  err = writer.WriteTo(isoFile, "Test")
  if err != nil {
    log.Fatalf("failed to write ISO image: %s", err)
  }
}

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