Getting multiple lines between two strings Getting OS name output Getting output value from invoke-command Getting Properties from "Get-WinEvent | select-object Properties" but... getting samaccountname from an e-mail address Getting script to write output to console and a log file Getting SQL ...
Windows PowerShell 可能活在物件導向的世界,所幸,Windows PowerShell 小組覺察到您的世界常常在格式化的字串裡包含外部資料,因此他們加進了 Select-String 命令。有了 Select-String 加上對規則運算式的熟悉度,您可以使用 Windows PowerShell 來編寫單行的命令剖析最複雜的字串。 Don Jones是《Windows PowerShell:TFM...
If you want to allow more than one value for the ComputerName parameter, use the String datatype but add square brackets ([]) to the datatype to allow an array of strings. PowerShell Copy function Test-MrParameterValidation { [CmdletBinding()] param ( [Parameter(Mandatory)] [string[]]...
4.3.1 Strings A string value has type string and is an immutable sequence of zero or more characters of type char each containing a UTF-16-encoded 16-bit Unicode code point. Type string has the following accessible members: Expand table MemberMember KindTypePurpose Length Instance Property int...
Considering the specific output type of a command and choosing betweenSet-contentand>accordingly is definitely an advanced technique. As forSelect-Stringspecifically: theStringname part is defensible in that it refers to the type of theinputobjects - they either already are strings or they're force...
In this example, the value 1 is converted to a string to be compared to string '1.0'. This example returns False. PowerShell Copy PS> '1.0' -eq 1 False The equality operators accept any two objects, not just a scalar or collection. But the comparison result isn't guaranteed t...
If you need to keep the curly braces ({}) in the formatted string, you can escape them by doubling the curly braces. PowerShell "{0} vs. {{0}}"-f'foo' Output foo vs. {0} Index operator[ ] Selects objects from indexed collections, such as arrays and hash tables. Array indexes ...
# This script demonstrates the use of "here-strings." # Anything typed between the top line of this code block # and the bottom line of this code block will be formatted # exactly as shown here. It’s not a huge deal, but we find the here-string version a little easier to read....
$StringArray="MYVAR1='String1'","MYVAR2='String2'"Invoke-Sqlcmd-Query"SELECT `$(MYVAR1) AS Var1, `$(MYVAR2) AS Var2"-Variable$StringArrayVar1 Var2 --- --- String1 String2 This command uses an array of character strings as input to the Variable parameter. The...
Select-Stringalso has aContextparameter which accepts an array of one or two numbers specifying the number of lines before and after a match that should be captured. All text parsing techniques in this post can be used to parse information from the context lines. The result object has aContex...