extract

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A Go library to extract archives in zip, tar.gz or tar.bz2 formats

extract 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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# Extract

[![Build Status](https://github.com/codeclysm/extract/actions/workflows/test.yaml/badge.svg?branch=master)](https://github.com/codeclysm/extract/actions/workflows/test.yaml)
[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/codeclysm/extract/master/LICENSE)
[![Godoc Reference](https://img.shields.io/badge/Godoc-Reference-blue.svg)](https://godoc.org/github.com/codeclysm/extract)

import "github.com/codeclysm/extract/v4"

Package extract allows to extract archives in zip, tar.gz or tar.bz2 formats
easily.

Most of the time you'll just need to call the proper function with a Reader and
a destination:

```go
file, _ := os.Open("path/to/file.tar.bz2")
extract.Bz2(context.TODO, file, "/path/where/to/extract", nil)
```

or also:

```go
data, _ := ioutil.ReadFile("path/to/file.tar.bz2")
buffer := bytes.NewBuffer(data)
extract.Bz2(context.TODO, buffer, "/path/where/to/extract", nil)
```

Sometimes you'll want a bit more control over the files, such as extracting a
subfolder of the archive. In this cases you can specify a renamer func that will
change the path for every file:

```go
var shift = func(path string) string {
    parts := strings.Split(path, string(filepath.Separator))
    parts = parts[1:]
    return strings.Join(parts, string(filepath.Separator))
}
extract.Bz2(context.TODO, file, "/path/where/to/extract", shift)
```

If you don't know which archive you're dealing with (life really is always a surprise) you can use Archive, which will infer the type of archive from the first bytes

```go
extract.Archive(context.TODO, file, "/path/where/to/extract", nil)
```

If you need more control over how your files will be extracted you can use an Extractor.

It Needs a FS object that implements the FS interface:

```go
type FS interface {
    Link(string, string) error
    MkdirAll(string, os.FileMode) error
    OpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
    Symlink(string, string) error
    Remove(path string) error
    Stat(name string) (os.FileInfo, error)
    Chmod(name string, mode os.FileMode) error
}
```

which contains only the required function to perform an extraction. This way it's easy to wrap os functions to
chroot the path, or scramble the files, or send an event for each operation or even reimplementing them for an in-memory store, I don't know.

```go
extractor := extract.Extractor{
    FS: fs,
}

extractor.Archive(context.TODO, file, "/path/where/to/extract", nil)
```

extract

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extract

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