ls variable: 查找特定的变量值,星号表示代替所有的值(num开头)。 代码语言:javascript 复制 ls variable:num*ls variable:num1 查找变量是否存在 代码语言:javascript 复制 test-path variable:num1 test-path variable:num0 删除变量 代码语言:javascript 复制 del variable:num1 test-path variable:num1 专用变量...
Additionally, instead of using an explicit $loaded variable, I could have used the Windows PowerShell break statement to exit the delay loop. Windows PowerShell has a rich set of control structures that allow you to program in many different styles, including whatever programming style you are ...
Windows PowerShell will use the String data type to store the value. In .NET Framework terms, that's the System.String class, which has perhaps the most built-in functionality of any variable type. If, say, I want to see an all-lowercase version of the value in $var, I can do this...
Windows PowerShell reserves a few parameter names, referred to as Common parameters, which you can't use: WhatIf, Confirm, Verbose, Debug, ErrorAction, ErrorVariable, OutVariable, and OutBuffer. In addition, the following aliases for these parameter names are reserved: vb, db, ea, ev, ov...
如果值設定false為 ,則會將行if ((Test-Path -LiteralPath variable:\LASTEXITCODE)) { exit $LASTEXITCODE }附加至腳本的結尾。 這會導致外部命令的最後一個結束代碼傳播為的powershell結束代碼。 否則,此行不會附加至腳本的結尾。 pwsh-使用 PowerShell Core ...
when you use double quotes-as opposed to single quotes-Windows PowerShell scans the text string for any variables. If it finds any, it substitutes the variable's actual value for the variable's name. Thus, when it executes this code, you can see that the current service name is being di...
Within the PROCESS scriptblock, the special $_ variable refers to the current pipeline object that's being processed. The practical result of this is that now I can simply pipe in an array of strings: @("one","two","three") | StringVersions ...
$env:variable-name For example, to print the value of the environment variable OS, you can run: Print value of os 1 2 3 $env:os It returns a string value of the given environment variable. Output: Output 1 2 3 Windows_NT Note: The environment variable names in Windows are not...
Type: String Parameter Sets: (All) Aliases: Required: True Position: 1 Default value: None Accept pipeline input: True (ByPropertyName, ByValue) Accept wildcard characters: False CommonParameters這個Cmdlet 支援一般參數:-Debug、-ErrorAction、-ErrorVariable、-InformationAction、-InformationVariable、-Out...
如果使用备用语法重新启用$PSDefaultParameterValues,则Disabled键显示为False。 复制 PS> $PSDefaultParameterValues Name Value --- --- Disabled False Get-WinEvent:LogName Microsoft-Windows-PrintService/Operational Get-*:Verbose True Send-MailMessage:SmtpServer ServerXYZ 另请参阅...