if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。 -eq(等于) -eq在两个值之间执行相等检查,以确保它们彼此相等。 PowerShell $value=Get-MysteryValueif(5-eq$value) {# do something} ...
问不执行带有-And的if中的第二个函数(Powershell)ENPowerShell 脚本执行策略用于控制何时以及何种方式执行...
问当在if条件中使用-and多次调用时，powershell函数仅执行一次EN简介： powershell命令仅输出目录列表 ...
If you are developing .NET Core C# applications targeting PowerShell Core,check out our FAQto learn more about the PowerShell SDK NuGet package. Also, make sure to check out ourPowerShell-RFC repositoryfor request-for-comments (RFC) documents to submit and give comments on proposed and future...
PowerShell enables the addition of help topics for modules, scripts and individual commands. To view all the help topics, use theGet-Helpcommand. When importing a module into a session, PowerShell automatically imports the help topics for that module. If there are no help topics for a module...
$ScriptBlock= {Param([string]$line)if($line-match"^git") {return$false}else{return$true} }Set-PSReadLineOption-AddToHistoryHandler$ScriptBlock 如果命令以 開頭git,則 scriptblock 會傳$false回 。 這與傳SkipAdding回 AddToHistory列舉的效果相同。 如果命令不是以git開頭,處理程式會$true傳回 ,而 ...
if((Get-Service Spooler).Status -eq "Stopped"){ Write-Output "Spooler Service is Stopped" } if((Get-Service Power).Status -eq "Running"){ Write-Output "Power Service is running" } Output: Explanation:In the above example, two conditions (first and last) are getting satisfied so two bl...
If a function parameter accepts pipeline input, and aprocessblock isn't defined, record-by-record processing fails. In this case, your function only executes once, regardless of the input. end Use this block to provide optional one-time post-processing for the function. ...
The hashtable syntax only works for classes that have a default constructor that doesn't expect any parameters. It creates an instance of the class with the default constructor and then assigns the key-value pairs to the instance properties. If any key in the hashtable isn't a valid propert...
If the two sides of the operators aren't reasonably comparable, these operators raise a non-terminating error. Matching operators The matching operators (-like, -notlike, -match, and -notmatch) find elements that match or don't match a specified pattern. The pattern for -like and -no...