文件大小（stat -c %s）将以字节为单位给予大小，其中df ${SFTP_PATH}将以kb为单位给出磁盘可用大小...
1. Using if-else to check whether two numbers are equal When trying to understand the working of a function like if-else in a shell script, it is good to start things simple. Here, we initialize two variables a and b, then use the if-else function to check if the two variables are...
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Here, based on the result ofTEST_COMMAND, the script either executes theTHEN_EXPRESSIONSorELSE_EXPRESSIONS. Obviously, there’s a lot of spacing in the above scripts, much of which may not be needed. Let’s see how we can use that to our advantage. ...
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else echo "bbb" fi 运行结果: aaa -lt 是 less than的缩写。 2 shell script 中 if...else 的语法 if 某一判断条件 then ... elif 另一判断条件 then ... else ... fi 再看一个稍微复杂一点的例子: #!/bin/bash echo "Please enter your age:" ...
...,将其注册到spring容器中;我们将核心的功能封装在HandlerProcessor类中,完成上面的功能。...ClassScanner:扫描工具类源码 HandlerProcessor需要实现BeanFactoryPostProcessor,在spring处理bean前,将自定义的bean注册到容器中。...总结利用策略模式可以简化繁杂的if else代码,方便维护,而利用自定义注解和自注册的方式,...
相信在甲方公司（大中型）的信息安全从业人员都会有同样的困境-公司的信息系统资产（已知资产/未知资产）...
今天就给大家介绍下Shell判断语句 if else 用法。if 语句通过关系运算符判断表达式的真假来决定执行哪个分支。Shell有三种 if else格式:if … fi 格式if … else … fi 格式if … el shell if 如何执行hive语句 Linux命令 Linux系列教程 Shell 技术知识...
echo "You Pick up Unix (Sun Os)" else ### nested if i.e. if within if ### if [ $osch -eq 2 ] ; then echo "You Pick up Linux (Red Hat)" else echo "What you don't like Unix/Linux OS." fi fi Run the above shell script as follows: $ chmod...