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Mac で xz を使用する方法

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Macではデフォルトでxzコマンドを使用できないため、下記の設定が必要となる。

環境

  • OS: Mountain Lion
  • Homebrew 0.9.4

使用方法

xz のインストール

以下のコマンドを実行する。

$ brew install xz

xz の実行

xz --helpを実行すると、コマンド使用方法と、コマンドオプションが表示される。

$ xz --help
Usage: xz [OPTION]... [FILE]...
Compress or decompress FILEs in the .xz format.

  -z, --compress      force compression
  -d, --decompress    force decompression
  -t, --test          test compressed file integrity
  -l, --list          list information about .xz files
  -k, --keep          keep (don't delete) input files
  -f, --force         force overwrite of output file and (de)compress links
  -c, --stdout        write to standard output and don't delete input files
  -0 ... -9           compression preset; default is 6; take compressor *and*
                      decompressor memory usage into account before using 7-9!
  -e, --extreme       try to improve compression ratio by using more CPU time;
                      does not affect decompressor memory requirements
  -q, --quiet         suppress warnings; specify twice to suppress errors too
  -v, --verbose       be verbose; specify twice for even more verbose
  -h, --help          display this short help and exit
  -H, --long-help     display the long help (lists also the advanced options)
  -V, --version       display the version number and exit

圧縮

$ xz -z hoge
$ xz --compress hoge

解凍

$ xz -d hoge.xz
$ xz --decompress hoge.xz

unxzコマンドも使用可能。

$ unxz hoge.xz
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