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  <author_name>shigemk2</author_name>
  <author_url>https://blog.hatena.ne.jp/shigemk2/</author_url>
  <blog_title>by shigemk2</blog_title>
  <blog_url>https://www.shigemk2.com/</blog_url>
  <categories>
    <anon>Linux</anon>
  </categories>
  <description>完全失念 これsh/bashの書き方だと思うんだけどfishだとべつの書き方を要求されるはず cp foo.{txt,backup.&quot;$(date +%Y%m%d-%H%M%S)&quot;} fishだとこうだね。というか、$() みたいなこと書いたら丁寧に() にしなよって怒られるから親切だよね。 cp foo.{txt,backup.(date +%Y%m%d-%H%M%S)}</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2017-10-03 12:51:09</published>
  <title>cp backup date</title>
  <type>rich</type>
  <url>https://www.shigemk2.com/entry/2017/10/03/cp_backup_date</url>
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