{"width":"100%","title":"\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u3092\u540c\u6642\u306b\u30d1\u30a4\u30d7\u306b\u9001\u308b\u6642\u306eTips","image_url":null,"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","version":"1.0","provider_name":"Hatena Blog","blog_url":"https://kiririmode.hatenablog.jp/","categories":["shellscript","bash"],"url":"https://kiririmode.hatenablog.jp/entry/20230219/1676791740","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20230219%2F1676791740\" title=\"\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u3092\u540c\u6642\u306b\u30d1\u30a4\u30d7\u306b\u9001\u308b\u6642\u306eTips - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","published":"2023-02-19 16:29:00","description":"\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u3068\u6a19\u6e96\u51fa\u529b\u3092\u540c\u6642\u306b\u30d1\u30a4\u30d7\u306b\u9001\u308b\u3068\u304d\u30012>&1 | \u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002 $ ls /etc/hosts /notexist 2>&1 | cat > ls.dat $ cat -n ls.dat 1 ls: cannot access '/notexist': No such file or directory 2 /etc/hosts Bash Reference Manual\u3092\u8aad\u3093\u3067\u3044\u308b\u3068\u3001\u3053\u306e2>&1 |\u3092|&\u3068\u3044\u3046\u77ed\u7e2e\u8a18\u6cd5\u3067\u66f8\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u3002 $ ls /etc/hosts /notexist |& cat > ls2.dat $ cat -n l\u2026","author_name":"kiririmode","type":"rich","author_url":"https://blog.hatena.ne.jp/kiririmode/","height":"190"}