utf8を読めるようにする

 apt-get install mule-ucs

*[unzip] 同一のファイルを上書きしない。

>||
 -n never  overwrite  existing  files.  If a file already exists, skip the extraction of that filewithout prompting.  By default unzip queries before extracting any file that  already  exists;

the user may choose to overwrite only the current file, overwrite all files, skip extraction of the current file, skip extraction of all existing files, or rename the current file.

とあるので -n　オプション。

（めんどくせえ）