{"title":"\u30d1\u30a4\u30d7\u51e6\u7406\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u53d6\u5f97\u3059\u308b | Linux shell","url":"https://www.bioerrorlog.work/entry/handle-pipe-exit-status","author_name":"BioErrorLog","categories":["Linux","shell"],"published":"2021-06-12 12:35:52","width":"100%","description":"\u30d1\u30a4\u30d7\u51e6\u7406\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u307e\u3068\u3081\u307e\u3059\u3002 \u306f\u3058\u3081\u306b \u30d1\u30a4\u30d7\u51e6\u7406\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u53d6\u5f97\u3059\u308b PIPESTATUS \u3092\u53c2\u7167\u3059\u308b\u65b9\u6cd5 set -o pipefail \u3092\u5229\u7528\u3057\u305f\u65b9\u6cd5 \u304a\u308f\u308a\u306b \u53c2\u8003 \u306f\u3058\u3081\u306b \u30d1\u30a4\u30d7\u51e6\u7406\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u53d6\u5f97($?)\u3059\u308b\u3068\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u4e00\u756a\u6700\u5f8c\u306e\u30b3\u30de\u30f3\u30c9\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u307f\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002 #!/bin/bash exit 1 | exit 2 | exit 0 echo $? # \u51fa\u529b: 0 \u30d1\u30a4\u30d7\u5185\u30b3\u30de\u30f3\u30c9\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306f\u30de\u30b9\u30af\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u30d1\u30a4\u30d7\u5185\u306e\u7570\u5e38\u7d42\u4e86\u3092\u691c\u77e5\u3057\u305f\u3044\u3068\u304d\u306a\u3069\u306b\u4e0d\u90fd\u5408\u3067\u3059\u3002 \u4eca\u56de\u306f\u3001\u30d1\u30a4\u30d7\u51e6\u7406\u5185\u306e\u5404\u30b3\u30de\u30f3\u30c9\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u2026","type":"rich","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/B/BioErrorLog/20210612/20210612123452.png","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.bioerrorlog.work%2Fentry%2Fhandle-pipe-exit-status\" title=\"\u30d1\u30a4\u30d7\u51e6\u7406\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u53d6\u5f97\u3059\u308b | Linux shell - BioErrorLog Tech Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"BioErrorLog Tech Blog","author_url":"https://blog.hatena.ne.jp/BioErrorLog/","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://www.bioerrorlog.work/"}