{"id":307,"date":"2016-11-03T22:27:03","date_gmt":"2016-11-03T14:27:03","guid":{"rendered":"http:\/\/blog.haostudio.net\/hwp\/?p=307"},"modified":"2017-07-25T00:03:09","modified_gmt":"2017-07-24T16:03:09","slug":"shell-tips-%e5%9c%a8shell-script-%e4%b8%ad-%e5%b0%87%e5%87%bd%e6%95%b8%e7%9a%84%e7%b5%90%e6%9e%9c%e4%bb%a5%e6%8c%87%e5%ae%9a%e8%ae%8a%e6%95%b8%e5%82%b3%e5%9b%9e","status":"publish","type":"post","link":"https:\/\/blog.haostudio.net\/hwp\/shell-tips-%e5%9c%a8shell-script-%e4%b8%ad-%e5%b0%87%e5%87%bd%e6%95%b8%e7%9a%84%e7%b5%90%e6%9e%9c%e4%bb%a5%e6%8c%87%e5%ae%9a%e8%ae%8a%e6%95%b8%e5%82%b3%e5%9b%9e\/","title":{"rendered":"[Shell Tips]  \u5728shell script \u4e2d, \u5c07\u51fd\u6578\u7684\u7d50\u679c\u4ee5\u6307\u5b9a\u8b8a\u6578\u50b3\u56de"},"content":{"rendered":"<!--more-->\n<h3>\u5728shell script \u4e2d, \u5c07\u51fd\u6578\u7684\u7d50\u679c\u4ee5\u6307\u5b9a\u8b8a\u6578\u50b3\u56de<\/h3>\n<p>\u76f4\u63a5\u770b\u7bc4\u4f8b:<\/p>\n<pre><code>$ cat .\/test.sh\n#!\/bin\/bash\nfunction add100 () {\n  local value1=$1\n  local result_var_name=$2\n  eval $result_var_name=$(($value1+100))\n}\nsum=0\nadd100 30 &quot;sum&quot;\necho result=$sum\n\n$ .\/test.sh\nresult=130\n<\/code><\/pre>\n<p>\u6b64\u7bc4\u4f8b\n<code>add100 \u51fd\u6578<\/code> \u5c07\u904b\u7b97\u7d50\u679c \u653e\u5165 <code>sum<\/code> \u8b8a\u6578\u4e2d<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[61],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-shell-script","tag-shell-script"],"_links":{"self":[{"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/posts\/307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/comments?post=307"}],"version-history":[{"count":2,"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/posts\/307\/revisions"}],"predecessor-version":[{"id":377,"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/posts\/307\/revisions\/377"}],"wp:attachment":[{"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/media?parent=307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/categories?post=307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.haostudio.net\/hwp\/wp-json\/wp\/v2\/tags?post=307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}