tar-to-zip

Convert tar and tar.gz archives to zip.

Global

tar-to-zip could be installed globally and used as tar-to-zip or tar2zip:

npm i tar-to-zip -g

Usage

Convert all tar.gz archives to zip in same directory:

tar2zip *.tar.gz

Make every program a filter

(c) Mike Gancarz: The UNIX Philosophy

Convert tar data from stdin and pipe it to stdout.

cat arc.tar | tar2zip > arc.zip

Local

tar-to-zip could be used localy. It will emit event on every file from converted archive.

Install

npm i tar-to-zip --save

API

tar-to-zip can work with filename and ReadableStream. When filename used tar-to-zip can emit progress of coverting (with options: {progress: true}).

tar-to-zip can transform the files as they are being processed using options: map and filter.

tarToZip(filename, {progress})

• filename - string name of the file
• options - object with properties:
  • progress - whether emit progress event.

const tarToZip = require('tar-to-zip');
const fs = require('fs');
const {stdout} = process;

const onProgress = (n) => {
    stdout.write(`\r${n}`);
};

const onFinish = (e) => {
    stdout.write('\n');
};

const onError = ({message}) => {
    console.error(message);
};

const zip = fs.createWriteStream('file.zip');
const progress = true;

tarToZip('file.tar.gz', {progress})
    .on('progress', onProgress)
    .on('file', console.log)
    .on('error', onError)
    .getStream()
    .pipe(zip)
    .on('finish', onFinish);

tarToZip(stream)

• stream - ReadableStream with tar data.

const tarToZip = require('tar-to-zip');
const fs = require('fs');
const {stdout} = process;

const onProgress = (n) => {
    stdout.write(`\r${n}`);
};
const onFinish = (e) => {
    stdout.write('\n');
};

const onError = ({message}) => {
    console.error(message)
};

const tar = fs.createReadStream('file.tar.gz');
const zip = fs.createWriteStream('file.zip');
const progress = true;

tarToZip(tar, {progress})
    .on('progress', onProgress)
    .on('file', console.log)
    .on('error', onError)
    .getStream()
    .pipe(zip)
    .on('finish', onFinish);

tarToZip(stream, {filter, map})

• options - ReadableStream with tar data.
  • filter - function to filter out files. Return false to exclude a file.
  • map - function to transform file name/type.

const tarToZip = require('tar-to-zip');
const fs = require('fs');
const {stdout} = process;
const onProgress = (n) => {
    stdout.write(`\r${n}`);
};

const onFinish = (e) => {
    stdout.write('\n');
};

const onError = ({message}) => {
    console.error(message);
};

const zip = fs.createWriteStream('file.zip');
const progress = false;

// exclude all but example.txt
const filter = ({name}) => {
    return name === 'example.txt';
};

// replace all .txt extensions with .doc
const map = ({name}) => {
    return {
        name: name.replace(/\.txt$/, '.doc')
    };
};

tarToZip('file.tar.gz', {filter, map, progress})
    .on('progress', onProgress)
    .on('file', console.log)
    .on('error', onError)
    .getStream()
    .pipe(zip)
    .on('finish', onFinish);

Related

• Jag - Pack files and folders with tar and gzip.
• Jaguar - Pack and extract .tar.gz archives with emitter.
• OneZip - Pack and extract zip archives with emitter.
• zip-to-tar - Convert zip archives to tar.

License

MIT