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Programming language: Go
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README

go-unarr

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Golang bindings for the unarr library from sumatrapdf.

unarr is a decompression library for RAR, TAR, ZIP and 7z archives.

Installation

go get -v github.com/gen2brain/go-unarr

Examples

Open archive
a, err := unarr.NewArchive("test.7z")
if err != nil {
    panic(err)
}
defer a.Close()
Read first entry from archive
err := a.Entry()
if err != nil {
    panic(err)
}

data, err := a.ReadAll()
if err != nil {
    panic(err)
}
List contents of archive
list, err := a.List()
if err != nil {
    panic(err)
}
Read known filename from archive
err := a.EntryFor("filename.txt")
if err != nil {
    panic(err)
}

data, err := a.ReadAll()
if err != nil {
    panic(err)
}
Read first 8 bytes of the entry
err := a.Entry()
if err != nil {
    panic(err)
}

data := make([]byte, 8)

n, err := a.Read(data)
if err != nil {
    panic(err)
}
Read all entries from archive
for {
    err := a.Entry()
    if err != nil {
        if err == io.EOF {
            break
        } else {
            panic(err)
        }
    }

    data, err := a.ReadAll()
    if err != nil {
        panic(err)
    }
}
Extract contents of archive to destination path
err := a.Extract("/tmp/path")
if err != nil {
    panic(err)
}