如果<condition>表达式为 false,则执行<if-false>表达式 例如: PowerShell复制 $message= (Test-Path$path) ?"Path exists":"Path not found" 在此示例中,当 返回 时,$message的值为Path exists。Test-Path$true$false返回 时Test-Path,的$messagePath not found值为 。
同样,也可以使用Get-Command返回实际参数名称的列表,包括常用参数名称以及WhatIf和Confirm。 PowerShell (Get-Command-NameTest-MrSupportsShouldProcess).Parameters.Keys Output ComputerName Verbose Debug ErrorAction WarningAction InformationAction ErrorVariable WarningVariable InformationVariable OutVariable OutBuffer Pipe...
functionTest-WriteError{Write-Error"Bad""The `$? variable is: $?"}Test-WriteError"Now the `$? variable is: $?" Output複製 Test-WriteError: Line | 7 | Test-WriteError | ~~~ | Bad The $? variable is: False Now the $? variable is: True 針對後者,$PSCmdlet...
[Parameter()][System.String]$Value,[Parameter()][Switch]$Append)if($Append.IsPresent){if(Test-...
Move .NET method invocation logging to after the needed type conversion is done for method arguments (#25022) Fix share completion with provider and spaces (#19440) (Thanks @MartinGC94!) General Cmdlet Updates and Fixes Exclude -OutVariable assignments within the same CommandAst when inferring ...
how can I check if variable is a letter or number? How can I check to see if a specific Windows Feature is installed on 2008 R2? How can I compute the number of fields in a CSV file that does not contain a header ? How can i conver .exe to ps1 for updating some more codes?
When the Trace parameter is set to 1, each line of script is traced as it is executed. When the parameter is set to 2, variable assignments, function calls, and script calls are also traced. If the Step parameter is specified, you are prompted before each line of the script is executed...
We then grab the value of the Day property, and only the Day property, and assign it to the variable $a. That makes $a equal to this: Copy 25 You know, that was kind of fun, wasn’t it? Let’s try another one. Let’s see if we can extract just the date and just the ...
Store a text string in a variable, and then specify the variable as the value of theInputObjectparameter. If the text is stored in files, use thePathparameter to specify the path to the files. By default,Select-Stringinterprets the value of thePatternparameter as a regular expression. For...
Move .NET method invocation logging to after the needed type conversion is done for method arguments (#25022) Fix share completion with provider and spaces (#19440) (Thanks @MartinGC94!) General Cmdlet Updates and Fixes Exclude -OutVariable assignments within the same CommandAst when inferring ...