{"id":186,"date":"2017-05-03T16:59:20","date_gmt":"2017-05-03T08:59:20","guid":{"rendered":"http:\/\/www.jsjs.org\/?p=186"},"modified":"2017-05-03T16:59:20","modified_gmt":"2017-05-03T08:59:20","slug":"%e8%bd%ac-linux-shell%e5%88%a4%e6%96%ad%e6%96%87%e4%bb%b6%e5%92%8c%e6%96%87%e4%bb%b6%e5%a4%b9%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=186","title":{"rendered":"[\u8f6c] Linux shell\u5224\u65ad\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u662f\u5426\u5b58\u5728"},"content":{"rendered":"

#!\/bin\/sh<\/p>\n

myPath=”\/var\/log\/httpd\/”
\nmyFile=”\/var \/log\/httpd\/access.log”<\/p>\n

#\u8fd9\u91cc\u7684-x \u53c2\u6570\u5224\u65ad$myPath\u662f\u5426\u5b58\u5728\u5e76\u4e14\u662f\u5426\u5177\u6709\u53ef\u6267\u884c\u6743\u9650
\nif [ ! -x “$myPath”]; then
\n\u3000\u3000mkdir “$myPath”
\nfi<\/p>\n

#\u8fd9\u91cc\u7684-d \u53c2\u6570\u5224\u65ad$myPath\u662f\u5426\u5b58\u5728
\nif [ ! -d “$myPath”]; then
\n\u3000\u3000mkdir “$myPath”
\nfi<\/p>\n

#\u8fd9\u91cc\u7684-f\u53c2\u6570\u5224\u65ad$myFile\u662f\u5426\u5b58\u5728
\nif [ ! -f “$myFile” ]; then
\n\u3000\u3000touch “$myFile”
\nfi<\/p>\n

#\u5176\u4ed6\u53c2\u6570\u8fd8\u6709-n,-n\u662f\u5224\u65ad\u4e00\u4e2a\u53d8\u91cf\u662f\u5426\u662f\u5426\u6709\u503c
\nif [ ! -n “$myVar” ]; then
\n\u3000\u3000echo “$myVar is empty”
\n\u3000\u3000exit 0
\nfi<\/p>\n

#\u4e24\u4e2a\u53d8\u91cf\u5224\u65ad\u662f\u5426\u76f8\u7b49
\nif [ “$var1” = “$var2” ]; then
\n\u3000\u3000echo ‘$var1 eq $var2’
\nelse
\n\u3000\u3000echo ‘$var1 not eq $var2’
\nfi <\/p>\n","protected":false},"excerpt":{"rendered":"

#!\/bin\/sh myPath=”\/var\/log\/httpd\/” myFile=”\/var \/log\/httpd\/access.log” #\u8fd9\u91cc\u7684-x \u53c2\u6570\u5224\u65ad$myPath\u662f\u5426\u5b58\u5728\u5e76\u4e14\u662f\u5426\u5177\u6709\u53ef\u6267\u884c\u6743\u9650 if [ ! -x “$myPath”]; then \u3000\u3000mkdir “$myPath” fi #\u8fd9\u91cc\u7684-d \u53c2\u6570\u5224\u65ad$myPath\u662f\u5426\u5b58\u5728 if [ ! […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-186","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=186"}],"version-history":[{"count":0,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/186\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}