{"id":954,"date":"2021-05-17T02:56:17","date_gmt":"2021-05-17T02:56:17","guid":{"rendered":"http:\/\/www.liutianfeng.com\/?p=954"},"modified":"2021-05-17T02:56:17","modified_gmt":"2021-05-17T02:56:17","slug":"bash%e4%b8%adset%e5%91%bd%e4%bb%a4%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.liutianfeng.com\/?p=954","title":{"rendered":"Bash\u4e2dset\u547d\u4ee4\u7684\u7528\u6cd5"},"content":{"rendered":"

\u53c2\u8003\uff1ahttp:\/\/www.ruanyifeng.com\/blog\/2017\/11\/bash-set.html?utm_source=tool.lu<\/p>\n

\u91cd\u7528\u9009\u9879\u5199\u6cd5\uff1a<\/strong><\/p>\n

# \u5199\u6cd5\u4e00\r\nset -euxo pipefail\r\n\r\n# \u5199\u6cd5\u4e8c\r\nset -eux\r\nset -o pipefail\r\n\r\n# \u5199\u6cd5\u4e09\r\n$ bash -euxo pipefail script.sh<\/code><\/pre>\n
\u6ce8\u89e3\uff1a<\/strong><\/p>\n
set -u\uff1a\u5982\u679c\u811a\u672c\u4e2d\u6709\u53d8\u91cf\u4e0d\u5b58\u5728\uff0c\u63d0\u793a\u3010unbound variable\u3011\u800c\u7ec8\u6b62\u811a\u672c\u6267\u884c\uff0c\u8d77\u5230\u9519\u8bef\u4fdd\u62a4\uff1b\r\nset -x: \u7c7b\u4f3cbash -x\uff0c\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u4ee5+\u524d\u5bfc\uff0c\u663e\u793a\u6267\u884c\u8fc7\u7a0b\u548c\u7ed3\u679c\uff0c\u4e00\u822c\u7528\u4e8edebug\u811a\u672c\uff1b\r\nset -e: \u5982\u679cshell\u811a\u672c\u4e2d\u6709\u4e00\u6761\u6267\u884c\u5931\u8d25\uff0c\u9ed8\u8ba4\u662f\u7ee7\u7eed\u6267\u884c\u540e\u9762\u7684\u547d\u4ee4\uff0c-e\u4f1a\u76f4\u63a5\u5728\u6267\u884c\u5931\u8d25\u4e00\u6761\u547d\u4ee4\u540e\u9000\u51fa\u811a\u672c\uff0c\u907f\u514d\u9519\u8bef\u7d2f\u79ef\uff1b\r\nset -o pipefail\uff1a\u5982\u679c\u9047\u5230\u7ba1\u9053\uff0cset -e\u5c31\u53ef\u80fd\u5931\u8d25\uff0c\u56e0\u4e3a\u7ba1\u9053\u6700\u540e\u4e00\u6761\u547d\u4ee4\u7684\u8fd4\u56de\u7801\u4f5c\u4e3a\u4e0a\u4e00\u6761\u547d\u4ee4\u603b\u4f53\u7684\u8fd4\u56de\u7801\uff0c-o pipefail\u53ef\u4ee5\u675c\u7edd\u8fd9\u4e00\u95ee\u9898\uff1b<\/code><\/pre>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
#!\/bin\/bash\r\n# set -x                           # Debug\u65f6\u5019\u6253\u5f00\r\n# set -e                           # \u6d4b\u8bd5\u9519\u8bef\u547d\u4ee4\u4fdd\u62a4\r\n# set -u                           # \u6d4b\u8bd5\u9519\u8bef\u53d8\u91cf\u4fdd\u62a4\r\n# set -o pipefail                  # \u6d4b\u8bd5\u9519\u8bef\u7ba1\u9053\u4fdd\u62a4\r\n# foo=\"My world.\"                  # \u6d4b\u8bd5\u53d8\u91cf\r\necho ${foo}                        # \u6d4b\u8bd5\u7ba1\u9053\r\nfunction mee() {\r\n    echo \"Big day.\"\r\n}\r\nmee| xargs -i echo {}\r\nls \/etc\/passwordddd                # \u6d4b\u8bd5\u547d\u4ee4\r\necho \"This is a test script.\"<\/code><\/pre>\n
\u6ce8\u610f\uff1a<\/strong>set -o pipefail \u548cset -e\u5e94\u914d\u5408\u4f7f\u7528\uff0c\u5426\u5219\u8d77\u4e0d\u5230\u7ba1\u9053\u4e2d\u6709\u95ee\u9898\u5c31\u76f4\u63a5\u9000\u51fa\u811a\u672c\u7684\u4f5c\u7528\u3002<\/p>\n
\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aliutianfeng.com<\/a> » Bash\u4e2dset\u547d\u4ee4\u7684\u7528\u6cd5<\/a><\/p>","protected":false},"excerpt":{"rendered":"
\u53c2\u8003\uff1ahttp:\/\/www.ruanyifeng.com\/blog\/2017\/11\/bash-set.html […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/954"}],"collection":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=954"}],"version-history":[{"count":1,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/954\/revisions"}],"predecessor-version":[{"id":955,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/954\/revisions\/955"}],"wp:attachment":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}