If you enter the exact name of a help article, `Get-Help` displays the article contents. If you enter a word or word pattern that appears in several help article titles, `Get-Help` displays a list of the matching titles. If you enter any text that doesn't match any help article ...
$i = 0 foreach ($num in ("one","two","three")) { "Iteration: $i" $i++ "`tNum: $num" "`tCurrent: $($foreach.Current)" if ($foreach.Current -eq "two") { "Before MoveNext (Current): $($foreach.Current)" $foreach.MoveNext() | Out-Null "After MoveNext (Current): $...
若要检查多个条件,请使用switch语句。switch语句等效于一系列if语句,但更简单。switch语句列出了每个条件和可选操作。 如果条件获得,则执行该操作。 switch语句可以使用$_和$switch自动变量。 有关详细信息,请参阅about_Automatic_Variables。 语法 基本switch语句具有以下格式: ...
# If npm install fails, the node_modules directory is removednpm install ||Remove-Item-Recurse./node_modules 有关详细信息,请参阅About_Pipeline_Chain_Operators。 范围运算符.. range 运算符可用于表示顺序整数或字符的数组。 由 range 运算符联接的值定义范围的开始和结束值。
cmd batch launch powershell script and getting environment variables set by powershell script cmdlet won't accept comma separated usernames given from a variable Code certificate not suitable for code signing color the output if service state is stopped Coloring a cell in powershell depending upon ...
If you enter one number as the value of this parameter, that number determines the number of lines captured before and after the match. If you enter two numbers as the value, the first number determines the number of lines before the match and the second number determines the number of lin...
Ideally we will test it on those other platforms, but it would be nice if we could try to iron out as many bugs as possible ahead of time. Checking syntax with PSUseCompatibleSyntax The first and easiest rule to apply isPSUseCompatibleSyntax. We’re going to create some settings for PS...
“If $a is equal to 1 then the color is red.” PowerShell will examine all three of the values in $a – 21, 38, and 6 – to see if any of them meet the criteria. (Hint: they don’t.) If and when a matchisfound, the script will echo back the appropriate message. In ...
in double quotation marks " ". If the filter contains system values (for example,$true,$false, or$null), use single quotation marks ' ' instead. Although this parameter is a string (not a system block), you can also use braces { }, but only if the filter doesn't contain variables....
A set of PowerShell functions you might use to enhance your own functions and scripts or to facilitate working in the console. Most should work in both Windows PowerShell and PowerShell 7, even cross-platform. Any operating system limitations should be h