{"id":8536,"date":"2019-06-02T17:02:31","date_gmt":"2019-06-02T09:02:31","guid":{"rendered":"https:\/\/jpuyy.com\/?p=8536"},"modified":"2019-06-02T17:02:31","modified_gmt":"2019-06-02T09:02:31","slug":"bash-debug-line-number","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=8536","title":{"rendered":"bash debug line number"},"content":{"rendered":"<p>\u5f53\u9047\u5230\u5f88\u957f bash \u811a\u672c\uff0c\u5c24\u5176\u5305\u542b\u5f88\u591a\u903b\u8f91\u7684\u65f6\u5019\uff0c\u9700\u8981\u7528 bash \u884c\u53f7\u8fdb\u884cdebug\uff0c\u65b9\u6cd5\u662f\u8bbe\u7f6e PS4 \u53d8\u91cf\u3002<\/p>\n<pre>[vagrant@centos7-work ~]$ sh foobar.sh \nfoobar\n[vagrant@centos7-work ~]$ export PS4='(${BASH_SOURCE}:${LINENO}): - [${SHLVL},${BASH_SUBSHELL},$?] $ '\n[vagrant@centos7-work ~]$ sh -x foobar.sh \n(foobar.sh:2) $ echo foobar\nfoobar\n<\/pre>\n<p>\u53c2\u8003:<br \/>\nhttps:\/\/coderwall.com\/p\/wil8da\/debug-bash-scripts-with-line-numbers-more-info<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u9047\u5230\u5f88\u957f bash \u811a\u672c\uff0c\u5c24\u5176\u5305\u542b\u5f88\u591a\u903b\u8f91\u7684\u65f6\u5019\uff0c\u9700\u8981\u7528 bash \u884c\u53f7\u8fdb\u884cdebug\uff0c\u65b9\u6cd5\u662f\u8bbe\u7f6e PS4 \u53d8\u91cf\u3002 [vagrant@centos7-work ~]$ sh foobar.sh foobar [vagrant@centos7-work ~]$ export PS4='(${BASH_SOURCE}:${LINENO}): &#8211; [${SHLVL},${BASH_SUBSHELL},$?] $ &#8216; [vagrant@centos7-work ~]$ sh -x foobar.sh (foobar.sh:2) $ echo foobar foobar \u53c2\u8003: https:\/\/coderwall.com\/p\/wil8da\/debug-bash-scripts-with-line-numbers-more-info<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-8536","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/8536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8536"}],"version-history":[{"count":1,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/8536\/revisions"}],"predecessor-version":[{"id":8537,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/8536\/revisions\/8537"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}