运行if语句时,PowerShell 会将<test1>条件表达式计算为 true 或 false。 如果<test1>为 true,<statement list 1>则运行,PowerShell 退出 语句if。 如果<test1>为 false,则 PowerShell 将计算条件语句指定的<test2>条件。 有关布尔计算的详细信息,请参阅about_Booleans。
I have a function calledInvoke-SnowSqlthat launches an executable with several command-line arguments. Here is a clip from that function where I build the array of arguments. PowerShell $snowSqlParam= @('--accountname',$Endpoint'--username',$Credential.UserName'--option','exit_on_error=true...
Function "Main" in PowerShell Function parameter validation, accept multiple variables types Function says "The term 'time' is not recognized as the name of a cmdlet, function, script file, or operable function to accept array from pipe Gather website data with PowerShell Generate a Random file...
("DisplayName") # for each value which is not blank if ($null -ne $value -and $value -ne ""){ # The below if statement looks through the values discovered above in the uninstall Registry location and only for the programs defined in the variables above $DisplayVersion = $Read...
If-Else/Do-While/Switch/For/While都和普通编程语言无异 ForEach Foreach($<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]$parameter2])dynamicparam{<stateme...
You can also use this technique In the context of a conditional statement, such as theifstatement. PowerShell if($textFiles=Get-ChildItem*.txt) {$textFiles.Count } In this example, if no files match, theGet-ChildItemcommand returns nothing and assigns nothing to$textFiles, which is consider...
Refactor Nuget package source creation to use New-NugetPackageSource function (#24104) Make Microsoft feeds the default (#24426) Bump to .NET 8.0.403 and update dependencies (#24405) SHA256 Hashes of the release artifacts hashes.sha256 A0589775F0911F061946B00E7C0A6C386F4D1F30AABB1AAD...
Describes theRequiresstatement, which prevents a script from running without required snap-ins and versions. about_Reserved_Words Lists words that are reserved to Windows PowerShell. about_Return Exits the current scope, which can be a function, script, or script block. ...
For more information about theparamstatement and the function parameters, seeabout_Functionsandabout_Functions_Advanced_Parameters. Writing help for scripts You can write a help topic for a script by using either of the two following methods: ...
{if($token.Kind-ne'Function') {continue}$position=$token.Extent.StartLineNumberdo{if(-not$foreach.MoveNext()) {breaktokenLoop }$token=$foreach.Current }until($token.Kind-in@('Generic','Identifier'))$functionPosition= [pscustomobject]@{ Name =$token.Text LineNumber =$positionPath =$...