go-unarr
Golang bindings for the unarr library from sumatrapdf.
unarr is a decompression library and CLI for RAR, TAR, ZIP and 7z archives.
GoDoc
See https://pkg.go.dev/github.com/gen2brain/go-unarr
Install CLI
go get github.com/gen2brain/go-unarr/cmd/unarr
Example
unarr ./example.7z ./example/
Build
For one-off builds:
go build -o ./unarr ./cmd/unarr/*.go
For multi-platform cross-compile builds:
goreleaser --snapshot --skip-publish --rm-dist
See build.sh for gcc toolchain information and for manual cross-platform build instructions.
Library Examples
Install Library
go get -v github.com/gen2brain/go-unarr
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)
}
