{"id":983,"date":"2012-04-28T12:22:32","date_gmt":"2012-04-28T04:22:32","guid":{"rendered":"http:\/\/kaoru.tech\/?p=983"},"modified":"2012-04-28T12:24:24","modified_gmt":"2012-04-28T04:24:24","slug":"shell-if","status":"publish","type":"post","link":"http:\/\/kaoru.tech:7000\/wordpress\/?p=983","title":{"rendered":"Shell IF"},"content":{"rendered":"<h2>\u8bed\u6cd5<\/h2>\n<p><code><br \/>\n#!\/bin\/sh<br \/>\nif [ condition ]; then<br \/>\nelse<br \/>\nfi<br \/>\n<\/code><\/p>\n<h2>\u5b57\u7b26\u4e32\u5224\u65ad<\/h2>\n<p>str1 = str2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5f53\u4e24\u4e2a\u4e32\u6709\u76f8\u540c\u5185\u5bb9\u3001\u957f\u5ea6\u65f6\u4e3a\u771f<br \/>\nstr1 != str2\u3000\u3000\u3000\u3000\u3000 \u5f53\u4e32str1\u548cstr2\u4e0d\u7b49\u65f6\u4e3a\u771f<br \/>\n-n str1\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u5f53\u4e32\u7684\u957f\u5ea6\u5927\u4e8e0\u65f6\u4e3a\u771f(\u4e32\u975e\u7a7a)<br \/>\n-z str1\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u00a0 \u5f53\u4e32\u7684\u957f\u5ea6\u4e3a0\u65f6\u4e3a\u771f(\u7a7a\u4e32)<br \/>\nstr1\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u00a0\u00a0 \u00a0 \u5f53\u4e32str1\u4e3a\u975e\u7a7a\u65f6\u4e3a\u771f<\/p>\n<h2>\u6570\u5b57\u7684\u5224\u65ad<\/h2>\n<p>int1 -eq int2\u3000\u3000\u3000\u3000\u4e24\u6570\u76f8\u7b49\u4e3a\u771f<br \/>\nint1 -ne int2\u3000\u3000\u3000\u3000\u4e24\u6570\u4e0d\u7b49\u4e3a\u771f<br \/>\nint1 -gt int2\u3000\u3000\u3000\u3000int1\u5927\u4e8eint2\u4e3a\u771f<br \/>\nint1 -ge int2\u3000\u3000\u3000\u3000int1\u5927\u4e8e\u7b49\u4e8eint2\u4e3a\u771f<br \/>\nint1 -lt int2\u3000\u3000\u3000\u3000int1\u5c0f\u4e8eint2\u4e3a\u771f<br \/>\nint1 -le int2\u3000\u3000\u3000\u3000int1\u5c0f\u4e8e\u7b49\u4e8eint2\u4e3a\u771f<\/p>\n<h2>\u6587\u4ef6\u7684\u5224\u65ad<\/h2>\n<p>-r file\u3000\u3000\u3000\u3000\u3000\u7528\u6237\u53ef\u8bfb\u4e3a\u771f<br \/>\n-w file\u3000\u3000\u3000\u3000\u3000\u7528\u6237\u53ef\u5199\u4e3a\u771f<br \/>\n-x file\u3000\u3000\u3000\u3000\u3000\u7528\u6237\u53ef\u6267\u884c\u4e3a\u771f<br \/>\n-f file\u3000\u3000\u3000\u3000\u3000\u6587\u4ef6\u4e3a\u6b63\u89c4\u6587\u4ef6\u4e3a\u771f<br \/>\n-d file\u3000\u3000\u3000\u3000\u3000\u6587\u4ef6\u4e3a\u76ee\u5f55\u4e3a\u771f<br \/>\n-c file\u3000\u3000\u3000\u3000\u3000\u6587\u4ef6\u4e3a\u5b57\u7b26\u7279\u6b8a\u6587\u4ef6\u4e3a\u771f<br \/>\n-b file\u3000\u3000\u3000\u3000\u3000\u6587\u4ef6\u4e3a\u5757\u7279\u6b8a\u6587\u4ef6\u4e3a\u771f<br \/>\n-s file\u3000\u3000\u3000\u3000\u3000\u6587\u4ef6\u5927\u5c0f\u975e0\u65f6\u4e3a\u771f<br \/>\n-t file\u3000\u3000\u3000\u3000\u3000\u5f53\u6587\u4ef6\u63cf\u8ff0\u7b26(\u9ed8\u8ba4\u4e3a1)\u6307\u5b9a\u7684\u8bbe\u5907\u4e3a\u7ec8\u7aef\u65f6\u4e3a\u771f<\/p>\n<h2>\u590d\u6742\u903b\u8f91\u5224\u65ad<\/h2>\n<p>-a \u3000 \u3000\u3000\u3000\u3000\u3000 \u4e0e<br \/>\n-o\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u6216<br \/>\n!\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u975e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bed\u6cd5 #!\/bin\/sh if [ condition ]; then else fi \u5b57\u7b26\u4e32\u5224\u65ad str1 = str2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5f53\u4e24\u4e2a\u4e32\u6709\u76f8\u540c\u5185\u5bb9\u3001\u957f\u5ea6\u65f6\u4e3a\u771f str1 != str2\u3000\u3000\u3000\u3000\u3000 \u5f53\u4e32str1\u548cstr2\u4e0d\u7b49\u65f6\u4e3a\u771f -n str1\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u5f53\u4e32\u7684\u957f\u5ea6\u5927\u4e8e0\u65f6\u4e3a\u771f(\u4e32\u975e\u7a7a) -z str1\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u00a0 \u5f53\u4e32\u7684\u957f\u5ea6\u4e3a0\u65f6\u4e3a\u771f(\u7a7a\u4e32) str1\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u00a0\u00a0 \u00a0 \u5f53\u4e32str1\u4e3a\u975e\u7a7a\u65f6\u4e3a\u771f \u6570\u5b57\u7684\u5224\u65ad int1&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[133],"tags":[135,134],"class_list":["post-983","post","type-post","status-publish","format-standard","hentry","category-shell","tag-if","tag-shell-2"],"_links":{"self":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=983"}],"version-history":[{"count":6,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/983\/revisions"}],"predecessor-version":[{"id":988,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/983\/revisions\/988"}],"wp:attachment":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=983"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}