Libarchive/Ruby

Copyright © 2009 SUGAWARA Genki <sgwr_dts@yahoo.co.jp>

Description

Ruby bindings for Libarchive.

Libarchive is a programming library that can create and read several different streaming archive formats, including most popular tar variants, several cpio formats, and both BSD and GNU ar variants.

Support archive (from Libarchive 2.6.0)

reading

writing

Project Page

rubyforge.org/projects/libarchive

Source Code

github.com/winebarrel/Libarchive-Ruby

Dependency

Libarchive/Ruby depend on Libarchive.

Please install Libarchive. (version 2.6.0 or more is recommended)

Install

gem install libarchive

Example

reading archive

require 'libarchive'

Archive.read_open_filename('foo.tar.gz') do |ar|
  while entry = ar.next_header
    name = entry.pathname
    data = ar.read_data

    #data = ""
    #ar.read_data(1024) do |x|
    #  data << x
    #end

    puts "#{name} (size=#{data.size})"
  end
end

creating archive

require 'libarchive'

Archive.write_open_filename('foo.tar.bz2', Archive::COMPRESSION_BZIP2, Archive::FORMAT_TAR) do |ar|
  Dir.glob('*.c').each do |fn|
    ar.new_entry do |entry|
      entry.copy_stat(fn)
      entry.pathname = fn
      ar.write_header(entry)
      ar.write_data(open(fn) {|f| f.read })

      #open(fn) do |f|
      #  ar.write_data do
      #    f.read(1024)
      #  end
      #end
    end
  end
end

creating archive by extarnal program

require 'libarchive'

Archive.write_open_filename('foo.tar.lzo', 'lzop', Archive::FORMAT_TAR_USTAR) do |ar|
  ...
end

License

Copyright (c) 2009 SUGAWARA Genki <sgwr_dts@yahoo.co.jp>
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice, 
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, 
      this list of conditions and the following disclaimer in the documentation 
      and/or other materials provided with the distribution.
    * The names of its contributors may be used to endorse or promote products 
       derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 
DAMAGE.

Static link library

Libarchive/Ruby(mswin32) contains Libarchive(2.6.0) and libbzip2(1.0.5).