node-unar

node-unar

ESM front-end to unar and lsar a command line tool. The universal un-archiver/unpacker to a lot of formats: .zip, zipx, rar, 7z, tar, gzip, bzip2, lzma, cab, msi, cpio, xar, exe, etc....

The necessary cli tool lsar and unar, will be downloaded to package directory at install time, for Windows amd macOS. If your host is Linux, node-sys will be used to install unar onto your system.

Usage

//ESM Node JS v12+
import { list, unpack } from 'node-unar';

// list only:
list(archiveFile, options)
  .then((fileListArray) => {
  })
  .catch((anyError) => {
  });;

// unpack:
unpack(archiveFile, options | outputDirectory)
  .progress((eachFle) => {
  })
  .then((results) => {
    let type = results.type;
    let fileList = results.files;
    let outputDirectory = results.directory;
  })
  .catch((anyError) => {
  });

// unpack: only requested files/directories
unpack(archiveFile, outputDirectory, file | [files], options)
  .progress((eachFle) => {
  })
  .then((results) => {
    let type = results.type;
    let fileList = results.files;
    let outputDirectory = results.directory;
  })
  .catch((anyError) => {
  });

Examples

Example: unpack file

//ESM Node JS v12+
import  { unpack } from 'node-unar';

unpack('test/abc.rar', 'out')
  .progress((files) => {
    console.log('files', files);
  })
  .then((results) => {
    console.log('Archive type: ', results.type);
    console.log('Archive files', results.files);
    console.log('Archive output directory', results.directory);
  })
  .catch((err) => {
    console.error(err);
  });
});

Example: list content

//ESM Node JS v12+
import { list } from 'node-unar';

list('test/abc.rar')
  .then((files) => {
    console.log('files', files);
  })
  .catch((err) => {
    console.error(err);
  });

Options

Key	Possible values	Comment
quiet	true/false (default)	true will reduce logging for unpacking
targetDir	<String>	The directory to write the contents of the archive to. Defaults to the current directory.
files	<String>	Only unpack this list of files or directories.
forceOverwrite	true/false (default)	if null, tmp dir will created automatically
forceDirectory	true/false/undefined	Always create a containing directory for the contents of the unpacked archive. By default, a directory is created if there is more than one top-level file or folder.
noDirectory	true/false/undefined	Never create a containing directory for the contents of the unpacked archive.
noRecursion	true/false/undefined	Do not attempt to extract archives contained in other archives. For instance, when unpacking a .tar.gz file, only unpack the .gz file and not its contents.
copyTime	true/false/undefined	Copy the file modification time from the archive file to the containing directory, if one is created.
password	<String>	The password to use for decrypting protected archives.
passwordEncoding	<String>	The encoding to use for the password for the archive, when it is not known. If not specified, then either the encoding given by the -encoding option or the auto-detected encoding is used.
encoding	<String>	The encoding to use for filenames in the archive, when it is not known. If not specified, the program attempts to auto-detect the encoding used. Use "help" or "list" as the argument to give