compare two strings in if-then-else statement Compare two text files in Powershell and if a name is found in both files output content from file 2 to a 3rd text file Compare-Object : Cannot bind argument to parameter 'ReferenceObject' because it is null. Comparing 2 software versions to ...
The If statement checks whether the value of $number is greater than 0 using the -gt operator. When the condition is true, it executes the block of code within the first set of curly braces, which in this case prints “The number is positive.” When the condition is false, it moves ...
As for doing if/else inside a foreach you can just put an if/else statement inside the script block, e.g. $input| ForEach-Object {if($_-eq"Test") {"X"}else{"Y"} } Would output "X" if the input line was "Test", otherwise it would output "Y"....
The loop iterates once. The value of the statement is the int with value 2.Here are some other examples:PowerShell 复制 # if $count is not currently defined then define it with int value 10 $count = if ($count -eq $null) { 10 } else { $count } $i = 1 $v = while ($i ...
array-expression: @( new-lines~opt~ statement-list~opt~ new-lines~opt~ ) 描述:如果省略 语句列表,则结果是长度为零的不受约束的 1 维数组。否则,将对 statement-list 进行计算,并将作为计算一部分写入管道的任何对象按顺序收集在一个不受限制的一维数组中。 结果是(可能为空)不受约束的 1 维数组。例...
If you declare a type with a line break before the attribute and variable name, the type is treated as its own statement. PowerShell Copy [string] [ValidateLength(1,5)] $Text = 'Okay' Output Copy IsPublic IsSerial Name BaseType --- --- --- --- True True String Sy...
Introduction to Else If in PowerShell If / else conditions are the most useful conditions in a scripting language and you may want to use multiple times while writing script. If the first condition in If the statement fails then the second stage is ElseIf statement. InElseIfblock you can ...
filter [<scope:>]<name> {<statement list>} The following filter takes log entries from the pipeline and then displays either the whole entry or only the message portion of the entry: PowerShell Copy filter Get-ErrorLog ([switch]$Message) { if ($Message) { Out-Host -InputObject $_...
To create this script, open a text editor or a script editor, type these commands, and then save them in a file namedServiceLog.ps1. Parameters in scripts To define parameters in a script, use a Param statement. TheParamstatement must be the first statement in a script, except for comme...
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