Compare multidimensional arrays Compare timestamps for two files Compare two azure ad groups Compare two mailbox users directly in compare-object scriptblock 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 fro...
PowerShell Copy $data = @( 'Zero' 'One' 'Two' 'Three' ) I prefer to declare my arrays on multiple lines like that. Not only does it get easier to read when you have multiple items, it also makes it easier to compare to previous versions when using source control....
Describes how to write comment-based help topics for functions and scripts.about_CommonParametersDescribes the parameters that can be used with any cmdlet.about_Comparison_OperatorsThe comparison operators in PowerShell can either compare two values or filter elements of a collection against an input ...
CommandType Instance property (read-only) Implementation defined Should compare equal with "Alias". Definition Instance property (read-only) string The command or alias to which the alias was assigned via the New-Alias or Set-Alias cmdlets. Description Instance property (read-write) string The desc...
Another use case for both tools is parsing command output to find occurrences of a string. But due to the differences in how Bash and PowerShell handle piping, the PowerShell grep equivalent here isn't always Select-String. The following Bash example parses the output of thenetstatcomman...
By default, Compare-Object returns differences. You can also return all of the strings in each array that are in both by using the IncludeEqual parameter. Comparing arrays with Compare-Object Comparings Arrays of Complex Objects Simple enough, right? Now, let’s bring objects into the mix....
Here-strings, when used withinIfstatements, can compare a string value against a multi-line string. Here’s the syntax for using here-strings within PowerShellIfstatements: if($string -eq @’ Multi-line string ‘@) { # Code to execute if the condition is true ...
Compare-Xml.ps1: Compares two XML documents and returns the differences. Convert-Xml.ps1: Transform XML using an XSLT template. ConvertFrom-EscapedXml.ps1: Parse escaped XML into XML and serialize it. ConvertFrom-XmlElement.ps1: Converts named nodes of an element to properties of a PSObject, ...
It’s worthwhile to compare the behavior of -like with -match to better understand their differences. Even the simplest cases turn up some surprises: MSH D:\MshScripts> "foobar" -like "foo" False MSH D:\MshScripts> "foobar" -match "foo" True When used without any special characters, qu...
Building on what you have learned with calculated properties andGet-FileHash, the cmdletCompare-Objectcompares the computed hash for each file and outputs any differences. First, retrieve a set of executable files and computed hashes for use withCompare-Object. ...