shell判断false_Linuxshell编程，这个命令if;then...。什么时候if条件判断为true和false呢？...

2024-04-26 01:58:40

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":7,"count":7}]},"card":[{"des":"提供基于开源Elasticsearch及商业版X-Pack插件，致力于数据分析、数据搜索等场景服务。在开源Elasticsearch基础上提供企业级权限管控、安全监控告警、自动报表生成等功能。","link1":"https://www.aliyun.com/product/bigdata/product/elasticsearch","link":"https://www.aliyun.com/product/bigdata/product/elasticsearch","icon":"https://img.alicdn.com/tfs/TB1x5RdDYH1gK0jSZFwXXc7aXXa-200-200.png","btn2":"产品文档","tip":"限时特惠，年付8.5折、两年付7折、三年5折，立即查看最新产品和实时动态重磅发布，立即查看","btn1":"立即开通","link2":"https://help.aliyun.com/product/57736.html?spm=a2c4g.11186623.3.1.fIn4e2","title":"阿里云 · Elasticsearch"}],"search":[{"txt":"新手指南","link":"https://help.aliyun.com/document_detail/57876.html"},{"txt":"API文档","link":"https://help.aliyun.com/document_detail/57772.html"},{"txt":"技术社区","link":"https://yq.aliyun.com/teams/170?spm=a2c0j.9528745.826947.detail-button-survey.f8b35a36QNIPke"},{"txt":"产品文档","link":"https://help.aliyun.com/product/57736.html"},{"txt":"大数据产品家族发布会","link":"https://yq.aliyun.com/live/508"},{"txt":"技术解读","link":"https://yq.aliyun.com/articles/634916?spm=a2c4e.11155435.0.0.2dff33125LxWTA"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/bigdata/product/elasticsearch","ifIcon":"icon","icon":"elasticsearch","title":"阿里云 · Elasticsearch","des":"提供基于开源Elasticsearch及商业版X-Pack插件，致力于数据分析、数据搜索等场景服务。在开源Elasticsearch基础上提供企业级权限管控、安全监控告警、自动报表生成等功能","btn1":"立即开通","link1":"https://www.aliyun.com/product/bigdata/product/elasticsearch","btn3":"产品文档","link3":"https://help.aliyun.com/product/57736.html?spm=a2c4g.11186623.3.1.fIn4e2","btn2":"0元开通ELK","link2":"https://common-buy.aliyun.com/new?spm=a2c0j.14094402.1335467..6adb5a36rGAGVU&commodityCode=elasticsearchpre&group=elasticsearch_logstash_pre&orderType=BUY&ConfigPurpose=CpSimplifiedBuy&from_biz_channel=portal-group&regionId=cn-shanghai","infoGroup":[{"infoName":"文档指南","infoContent":{"firstContentName":"新手指南","firstContentLink":"https://help.aliyun.com/document_detail/57876.html","lastContentName":"API文档","lastContentLink":"https://help.aliyun.com/document_detail/57772.html"}},{"infoName":"文档指南","infoContent":{"firstContentLink":"https://yq.aliyun.com/teams/170?spm=a2c0j.9528745.826947.detail-button-survey.f8b35a36QNIPke","firstContentName":"技术社区","lastContentName":"技术解读","lastContentLink":"https://yq.aliyun.com/articles/634916?spm=a2c4e.11155435.0.0.2dff33125LxWTA"}},{"infoName":"相关链接","infoContent":{"firstContentLink":"https://yq.aliyun.com/live/508","firstContentName":" 大数据产品家族发布会","lastContentLink":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716","lastContentName":"产品动态"}}],"contentLink":"https://www.aliyun.com/product/bigdata/product/elasticsearch"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":7,"count":7}]},"card":[{"des":"提供基于开源Elasticsearch及商业版X-Pack插件，致力于数据分析、数据搜索等场景服务。在开源Elasticsearch基础上提供企业级权限管控、安全监控告警、自动报表生成等功能。","link1":"https://www.aliyun.com/product/bigdata/product/elasticsearch","link":"https://www.aliyun.com/product/bigdata/product/elasticsearch","icon":"https://img.alicdn.com/tfs/TB1x5RdDYH1gK0jSZFwXXc7aXXa-200-200.png","btn2":"产品文档","tip":"限时特惠，年付8.5折、两年付7折、三年5折，立即查看最新产品和实时动态重磅发布，立即查看","btn1":"立即开通","link2":"https://help.aliyun.com/product/57736.html?spm=a2c4g.11186623.3.1.fIn4e2","title":"阿里云 · Elasticsearch"}],"search":[{"txt":"新手指南","link":"https://help.aliyun.com/document_detail/57876.html"},{"txt":"API文档","link":"https://help.aliyun.com/document_detail/57772.html"},{"txt":"技术社区","link":"https://yq.aliyun.com/teams/170?spm=a2c0j.9528745.826947.detail-button-survey.f8b35a36QNIPke"},{"txt":"产品文档","link":"https://help.aliyun.com/product/57736.html"},{"txt":"大数据产品家族发布会","link":"https://yq.aliyun.com/live/508"},{"txt":"技术解读","link":"https://yq.aliyun.com/articles/634916?spm=a2c4e.11155435.0.0.2dff33125LxWTA"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/bigdata/product/elasticsearch","ifIcon":"icon","icon":"elasticsearch","title":"阿里云 · Elasticsearch","des":"提供基于开源Elasticsearch及商业版X-Pack插件，致力于数据分析、数据搜索等场景服务。在开源Elasticsearch基础上提供企业级权限管控、安全监控告警、自动报表生成等功能","btn1":"立即开通","link1":"https://www.aliyun.com/product/bigdata/product/elasticsearch","btn3":"产品文档","link3":"https://help.aliyun.com/product/57736.html?spm=a2c4g.11186623.3.1.fIn4e2","btn2":"0元开通ELK","link2":"https://common-buy.aliyun.com/new?spm=a2c0j.14094402.1335467..6adb5a36rGAGVU&commodityCode=elasticsearchpre&group=elasticsearch_logstash_pre&orderType=BUY&ConfigPurpose=CpSimplifiedBuy&from_biz_channel=portal-group&regionId=cn-shanghai","infoGroup":[{"infoName":"文档指南","infoContent":{"firstContentName":"新手指南","firstContentLink":"https://help.aliyun.com/document_detail/57876.html","lastContentName":"API文档","lastContentLink":"https://help.aliyun.com/document_detail/57772.html"}},{"infoName":"文档指南","infoContent":{"firstContentLink":"https://yq.aliyun.com/teams/170?spm=a2c0j.9528745.826947.detail-button-survey.f8b35a36QNIPke","firstContentName":"技术社区","lastContentName":"技术解读","lastContentLink":"https://yq.aliyun.com/articles/634916?spm=a2c4e.11155435.0.0.2dff33125LxWTA"}},{"infoName":"相关链接","infoContent":{"firstContentLink":"https://yq.aliyun.com/live/508","firstContentName":" 大数据产品家族发布会","lastContentLink":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716","lastContentName":"产品动态"}}],"contentLink":"https://www.aliyun.com/product/bigdata/product/elasticsearch"}]}}

shell判断false_Linuxshell编程，这个命令if;then...。什么时候if条件判断为true和false呢？...相关推荐

linux在命令行if,Linux命令之if - Bash中的条件判断语句
用途说明 Shell中的条件判断语句,与其他编程语言类似. 如果需要知道有哪些条件判断方式,通过man test就可以得到帮助. 常用格式格式一 if 条件; then 语句 fi 格式二 if 条 ...
批处理命令（1）：if条件判断；for循环；获取系统时间
常用命令: 输出字符串1:@echo 直接输出字符串2:rem 延时:TIMEOUT /T 3 获取系统时间:set d=%date:~0,10% set t=%time:~0,8% echo %d% ...
java（一个简单邮箱的判断）用户从命令行输入一个字符串，要求判断是否为合法的email地址，如果合法，请判断是否为sina的邮箱地址
package com.tjetc.daomain; import java.util.Scanner; public class Work05 {public static void main(St ...
c语言条件判断函数,用Excel函数实现多个区间的条件判断
说说昨天给大家留的互动题目: 在A1单元格输入数字,用公式在B1单元格计算相应的等级. 等级划分标准如下: A1小于60的时候,等级为"F". A1大于或等于60而小于70时,等级 ...
Linux【实操篇】—— Shell 编程入门、变量、运算符、条件判断、流程控制
目录一.Shell 编程入门 1. 认识 Shell 2. Shell 脚本的创建与执行二.Shell 变量 1. 系统变量和自定义变量 2. 变量的基本规则 3. 设置环境变量 4. 位置参数变 ...
Shell脚本之条件判断
1．基本语法 [ condition ](注意condition前后要有空格)注意:条件非空即为true,[ 666 ]返回true,[] 返回false. 2. 常用判断条件 (1)两个整数之间比较 ...
【Shell教程】四----输入输出，条件判断，循环
Shell输出 echo命令在shell中,echo 指令用于字符串的输出命令格式: echo string 可以使用 (反斜号)''(单引号)""(双引号)包含字符串,具体功 ...
shell基础--条件判断if和case
目录一.条件判断 1.按照文件类型进行判断 2.按照文件权限进行判断 3.两个文件之间进行比较 4.两个整数之间比较 5.字符串的判断 6.多重条件判断二.if条件判断 1.单分支if条件语句 2 ...
if shell 条件语句简写_Shell if条件判断语句用法详解
if 条件判断在语言中最为常见,主要用于判断条件是否成立,比如在课堂上,并不是所有的学员都可以进入教室,而是必须符合条件(如必须是本班级学员)才能进入教室.当然,在上课时,是通过人的大脑进行判断的:如 ...
《零基础看得懂的C++入门教程》——（4）条件判断原来如此
一.学习目标了解什么是条件判断了解多个条件判断了解输入了解什么是逻辑与.逻辑或目录预备第一篇,使用软件介绍在这一篇,C++与C使用的软件是一样的,查看这篇即可:<软件介绍> 想 ...

shell判断false_Linuxshell编程，这个命令if;then...。什么时候if条件判断为true和false呢？...

shell判断false_Linuxshell编程，这个命令if;then...。什么时候if条件判断为true和false呢？...相关推荐

最新文章

热门文章