PowerShell 複製 Select-String -Pattern Help -Path $PSHOME\en-US\*.txt $PSItem與$_ 相同。 包含管線物件中的目前物件。 您可以在命令中使用這個變數,在管線中的每個物件上執行動作。如需詳細資訊,請參閱 about_PSItem。$PSScriptRoot包含執行文稿之父目錄的完整路徑。
If you opt to include a delimiter as part of the output, the command returns the delimiter as part of the output; however, splitting the string to return the delimiter as part of output does not count as a split. Examples: PowerShell Ikkopja "Lastname:FirstName:Address" -split "(:)...
split-operator: dash split dash: one of - (U+002D) EnDash character (U+2013) EmDash character (U+2014) Horizontal bar character (U+2015) 描述:一元-split 运算符拆分由 一元表达式指定的一个或多个字符串,并在一个受约束的 1 维字符串数组中返回其子部分。 它将任何连续的空格字符组视为连续子...
System.String类实现IEnumerable,但 PowerShell 不枚举字符串对象。 在以下示例中,通过管道将数组和哈希表传递给Measure-Objectcmdlet,以计算从管道接收的对象数。 数组具有多个成员,哈希表具有多个键值对。 一次只枚举一个数组。 PowerShell @(1,2,3) |Measure-Object ...
The -split was used to split the $string into an array of substrings. Now, where to split the $string? It will split the string whenever it encounters the a character. After performing the split, we got two substrings, J and v and 2blog. We used () around $string -split "a" ...
The-splitand-joinoperators divide and combine substrings. The-splitoperator splits a string into substrings. The-joinoperator concatenates multiple strings into a single string. For more information, seeabout_Splitandabout_Join. Type Operators ...
First I check that a column contains an open bracket character ([). If it doesn’t, I can split the string at the colon character (:). If not then I need to split is at the string']:'and also trim off the opening bracket. ...
Function Get-ScriptPath { split-path $myInvocation.scriptName } # Borrowed from OCS-ALL.ps1. Function QryRTCResources { #Create a Microsoft SQL Server connection string for the connection object by using integrated authentication. $con = "server=host name of Microsoft SQL Server;database=RTC;...
# Set the variable to the first string before the "\" character $CurrentDomainName = $CurrentUser.split("\")[0] # Set the variable to the second string after the "\" character $CurrentUserName = $CurrentUser.split("\")[1] write-host "Logged in User is: " -NoNewLine ...
Although the Prompt function returns a simple string, you can also use the function for more complex tasks. For example, many users update their console window title (by changing the $host.UI.RawUI.WindowTitle variable) or use the Write-Host cmdlet to output the prompt in color. If your ...