Created
June 25, 2015 05:00
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json2msgpackgz.rb
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| #!/usr/bin/env ruby | |
| require "json" | |
| require "msgpack" | |
| require "tempfile" | |
| require "zlib" | |
| io = Tempfile.new(File.basename($0)) | |
| gzip = Zlib::GzipWriter.new(io) | |
| packer = MessagePack::Packer.new(gzip) | |
| ARGF.each do |s| | |
| record = JSON.parse(s) | |
| packer.pack(record) | |
| end | |
| packer.flush() | |
| gzip.finish() | |
| io.rewind() | |
| STDOUT.write(io.read()) |
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