If File exists then copy it script powershell If is not recognized as the name of a cmdlet? if not contains If statement based on day of the week evaluating despite being false If Test-Connection do these action else exit. If variable is null or empty skip in script If with multiple co...
如果<test2>为 true,则<statement list 2>运行,并且 PowerShell 将退出if语句。 如果<test1>和<test2>的计算结果为 false,则<statement list 3> 代码块将运行,并且 PowerShell 将退出if语句。 可以使用多个elseif语句链接一系列条件测试。 仅当以前的所有测试均为 false 时,才会运行每个测试。 如果需要创建包含...
Simple IF, Else $a = "Powershell" IF ($a -eq "PowerShell") { "Statement is True" } ELSE { "Statement is False" } You can condence this to: $a = "Powershell" IF ($a -eq "PowerShell"){ "Statement is True"} ELSE { "Statement is False"} Now if you want to check for ...
似乎所有的条件语句都使用if...else...，它的作用可以简单地概括为非此即彼，满足条件A则执行A的语句，否则执行B语句，python的if...else...功能更加强大，在if和else之间添加数个elif,有更多的条件选择，其表达式如下:
If-Else/Do-While/Switch/For/While都和普通编程语言无异 ForEach Foreach($<item> in $<collection>) { Statement-1 Statement-2 Statement-N } 函数 常规函数 function[<scope:>]<name>[([type]$parameter1[,[type]$parameter2])]{param([type]$parameter1[,[type]$parameter2])dynamicparam{<stateme...
Ternary operator? <if-true> : <if-false> You can use the ternary operator as a replacement for theif-elsestatement in simple conditional cases. For more information, seeabout_If. Null-coalescing operator?? The null-coalescing operator??returns the value of its left-hand operand if it isn'...
Executes the script block that follows it if its condition evaluates to true and none of the conditions in the if or elseif statements before it evaluate to true else statement Executes the script block that follows it if none of the conditions in the if or elseif statements before it evalu...
问Powershell foreach和if语句EN今天我们来讲解一下 for跟foreach 一、for 是一个循环语句 for break...
2.2 If statement <ifStatementRule> = ‘if’ ‘(‘ <pipelineRule> ‘)’ <statementBlockRule>[ ‘elseif’ ‘(‘ <pipelineRule> ‘)’ <statementBlockRule> ]* [ ‘else’ <statementBlockRule> ]{0 |1} 2.3 Switch statement # The syntax for a switch statement looks like: ...
If else checking existence of homeDirectory in AD If File exists then copy it script powershell If is not recognized as the name of a cmdlet? if not contains If statement based on day of the week evaluating despite being false If Test-Connection do these action else exit. If variable...