if($value-is[string] ) {# do something} 如果您正在處理類別或接受管線上的各種物件,您可以使用這。 您可以將服務或服務名稱作為輸入。 然後檢查您是否有服務,如果您只有名稱,則取得該服務。 PowerShell if($Service-isnot[System.ServiceProcess.ServiceController] ) {$Service=Get-Service-Name$Service} ...
<string[]> -like <wildcard-expression> <string[]> -notlike <wildcard-expression> <string[]> -match <regular-expression> <string[]> -notmatch <regular-expression> 當這些運算子的輸入是純量值時,它們會傳回
if ( $value -is [string] ) { # do something } これは、複数のクラスを使用している場合や、パイプライン上でさまざまなオブジェクトを受け入れている場合に使用できます。 入力として、サービスまたはサービス名のいずれかを使用できます。 次に、サービスがあるかどうかを調べて、...
<string[]> -like <wildcard-expression> <string[]> -notlike <wildcard-expression> <string[]> -match <regular-expression> <string[]> -notmatch <regular-expression> 當這些運算子的輸入是純量值時,它們會傳回 布爾 值。當輸入是值的集合時,集合中的每個項目都會轉換成字串以進行比較。 -...
[-UMDtmfMap <MultiValuedProperty>] [-UMGrammar <Boolean>] [-UseDatabaseQuotaDefaults <Boolean>] [-UseDatabaseRetentionDefaults <Boolean>] [-UserCertificate <MultiValuedProperty>] [-UserPrincipalName <String>] [-UserSMimeCertificate <MultiValuedProperty>] [-WhatIf] [-WindowsEmailAddress <Smtp...
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 time: Copy $a = Get-Date "Date: " + $a.ToShortDateString() "Time: " + $a.ToShortTimeString() And ...
seeabout_Scopes. You can use this to build strings containing the command, parameters, and arguments you need, and then invoke the string as if it were a command. The strings that you create must follow the same parsing rules as a command that you type at the command line. For more inf...
if ($result -ge 0) { write-host "Found '222' in ListBox!" } else { write-host "Did NOT find '222' in ListBox" $pass = $false } A slightly unusual quirk of Windows PowerShell is its use of Boolean comparison operators, such as -ge ("greater than or equal to") and -eq ...
If you work with database types, you may get back a[dbnull]::Valuewhich is equivalent to$nullwithin the database, but in PowerShell, this was not equal to$nullso you can’t compare it directly. This change fromJoel Sallowallows you to compare both[dbnull]::Valueand[nullstring]::Valu...
The command results in a warning that states I need to restart WinRM and that the value for the plug-in will only work if it is less than or equal to the value for the global memory setting. Here is the command and the output: ...