62 lines
1.8 KiB
Ruby
62 lines
1.8 KiB
Ruby
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require 'zip'
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# This is a simple example which uses rubyzip to
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# recursively generate a zip file from the contents of
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# a specified directory. The directory itself is not
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# included in the archive, rather just its contents.
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#
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# Usage:
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# directory_to_zip = "/tmp/input"
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# output_file = "/tmp/out.zip"
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# zf = ZipFileGenerator.new(directory_to_zip, output_file)
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# zf.write()
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class ZipFileGenerator
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# Initialize with the directory to zip and the location of the output archive.
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def initialize(input_dir, output_file)
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@input_dir = input_dir
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@output_file = output_file
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end
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# Zip the input directory.
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def write
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entries = Dir.entries(@input_dir) - %w[. ..]
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::Zip::File.open(@output_file, ::Zip::File::CREATE) do |zipfile|
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write_entries entries, '', zipfile
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end
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end
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def extract_zip
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FileUtils.mkdir_p(@output_file)
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Zip::File.open(@input_dir) do |zip_file|
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zip_file.each do |f|
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fpath = File.join(@output_file, f.name)
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zip_file.extract(f, fpath) unless File.exist?(fpath)
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end
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end
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end
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private
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# A helper method to make the recursion work.
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def write_entries(entries, path, zipfile)
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entries.each do |e|
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zipfile_path = path == '' ? e : File.join(path, e)
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disk_file_path = File.join(@input_dir, zipfile_path)
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if File.directory? disk_file_path
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recursively_deflate_directory(disk_file_path, zipfile, zipfile_path)
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else
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put_into_archive(disk_file_path, zipfile, zipfile_path)
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end
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end
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end
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def recursively_deflate_directory(disk_file_path, zipfile, zipfile_path)
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zipfile.mkdir zipfile_path
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subdir = Dir.entries(disk_file_path) - %w[. ..]
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write_entries subdir, zipfile_path, zipfile
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end
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def put_into_archive(disk_file_path, zipfile, zipfile_path)
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zipfile.add(zipfile_path, disk_file_path)
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end
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end
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