$_自动变量包含传递给switch语句的表达式的值,可在<result-to-be-matched>语句范围内进行计算和使用。 完整的switch语句语法如下所示: Syntax switch [-Regex | -Wildcard | -Exact] [-CaseSensitive] (<test-expression>) { string | number | variable | { <value-scriptblock> } { <action-scriptblock>...
8.6 switch 陳述式 語法: Syntax 複製 switch-statement: switch new-lines~opt~ switch-parameters~opt~ switch-condition switch-body switch-parameters: switch-parameter switch-parameters switch-parameter switch-parameter: -regex -wildcard -exact -casesensitive -parallel switch-condition: ( new-lines~opt...
在因为switch语句不区分大小写而责怪我使用ToUPPER之前,在这个特定示例中,我发现这是错误的。 RegEx Cheat Sheet
I am getting below error Try statement is missing its catch or Finally block, WHile i am running my script to install application after checking domain I am having a problem importing a csv file into Powershell v3. I can't save my PowerShell Scripts to local drive I can't seem to use...
Windows PowerShell Tip: Using the Switch Statement Windows PowerShell Tip: Working With Custom Objects Windows PowerShell Tip: Working With SIDs Windows PowerShell Tip: Working With Security Descriptors Working with Hash Tables Accessing WMI from Windows PowerShell Hip, Hip, Array—Retrieving Multi-...
对于switch语句,使用-casesensitive选项 字符文本 正则表达式可以是文本字符或字符串。 表达式使引擎与指定的文本完全匹配。 PowerShell # This statement returns true because book contains the string "oo"'book'-match'oo' 字符类 虽然字符文本在知道确切的模式时工作,但字符类允许你不太具体。
filter [<scope:>]<name> {<statement list>} The following filter takes log entries from the pipeline and then displays either the whole entry or only the message portion of the entry: PowerShell Copy filter Get-ErrorLog ([switch]$Message) { if ($Message) { Out-Host -InputObject $_...
Windows PowerShell Tip: Using the Switch Statement Windows PowerShell Tip: Working With Custom Objects Windows PowerShell Tip: Working With SIDs Windows PowerShell Tip: Working With Security Descriptors Working with Hash Tables Accessing WMI from Windows PowerShell Hip, Hip, Array—Retrieving Multi-...
2.3 Switch statement # The syntax for a switch statement looks like: #switch -regex -casesensitive (get-childitem | sort length) #{ #“^5”{ “length for $_ started with 5” ; continue} #{ $_.length > 20000 } { “length of $_ is greated than 20000” } ...
PowerShell’sswitchstatement lets you easily test its input against a large number of comparisons. Theswitchstatement supports several options that allow you to configure how PowerShell compares the input against the conditions—such as with a wildcard, regular expression, or even an arbitrary script...