zipping

This gem is for compressing files as a zip and outputting to a stream (or a stream-like interface object). The output to a stream proceeds little by little, as files are compressed.

Getting Started

Add the following line to your Gemfile:

gem 'zipping'

Usage

simple:

require 'zipping'

Zipping.files_to_zip my_stream, '/path/to/file'

You can pass multiple files.

Zipping.files_to_zip my_stream2, ['/path/to/file', '/another/path']

If you pass a folder, zipping compresses all files in the folder.

Zipping.files_to_zip my_stream3, ['/path/to/folder', '/path/to/other/file']

For example, you have files below:

/text/foo.txt
/text/bar/baz.txt
/images/abc.png

and you run command:

file = File.open '/my.zip', 'wb'
Zipping.files_to_zip file, ['/text', '/images/abc.png']
file.close

Then, you get a zip file, and you find entries below in it.

text/
text/foo.txt
text/bar/
text/bar/baz.txt
abc.png

To get binary data of zip instead of saving as a file, prepare an 'ASCII-8bit'-encoded empty String object.

zip_data = ''.force_encoding('ASCII-8bit')
Zipping.files_to_zip zip_data, ['/text', '/images/abc.png']

Then, you get zip binary data in zip_data.

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