![]() Shows which input object the output belongs to. Of the object returned has an added NoteProperty named SideIndicator. When you use the PassThru parameter, the Type of the object is not changed but the instance Objects wrapped in a PSCustomObject with the SideIndicator property set to =. When you use the IncludeEqual parameter and the objects are the same, the cmdlet returns the Wrapper with a SideIndicator property to reference the differences. When the objects are different, this cmdlet wraps the differing objects in a PSCustomObject ![]() Outputsīy default, this cmdlet returns no output when the ReferenceObject and the DifferenceObject You can send an object down the pipeline to the DifferenceObject parameter. Specifying a smaller value for SyncWindow can increase performance but could have lower When working with large collections, the default value might not be efficient but is accurate. The default value is ::MaxValue, which means thatĬompare-Object examines the entire object collection. Compare-Object examines adjacent objects when it doesn't find the object Specifies the number of adjacent objects that Compare-Object inspects while looking for a match inĪ collection of objects. In the second case, the TimeSpan is converted to a string so the object are different. ![]() PS> Compare-Object $a $b -Property ProcessName, Id, CPU NPM(K) PM(M) WS(M) CPU(s) Id SI ProcessName Compare-Object -ReferenceObject (Get-Content -Path C:\Test\Testfile1.txt) -DifferenceObject (Get-Content -Path C:\Test\Testfile2.txt) Testfile1.txt is theĬontent that appear in both files aren't displayed. ![]() The output displays only the lines that are different between the files. Testfile2.txt contains the values: cat, bird, and racoon.Testfile1.txt contains the values: dog, squirrel, and bird.The example uses the following two text files, This example compares the contents of two text files. Examples Example 1 - Compare the content of two text files For more information, seeĪbout_Splatting. Some examples use splatting to reduce the line length of the code samples. If the reference or the difference objects are null ( $null), Compare-Object generates a Used, ( =) indicates the value is in both objects. The result of the comparison indicates whether a property value appeared only in the reference Provided, the cmdlet compares the values of those properties only. You can provide one or more properties to be used for comparison. Suitable method, it calls the ToString() methods of the input objects and compares the string One set of objects is the reference,Īnd the other set of objects is the difference.Ĭompare-Object checks for available methods of comparing a whole object. The Compare-Object cmdlet compares two sets of objects. Following the past participle compared, either to or with is used regardless of whether differences or similarities are stressed or whether the things compared belong to the same or different classes: Compared with (or to ) the streets of 18th-century London, New York's streets are models of cleanliness and order.Compares two sets of objects. But when the comparison is between members of the same category, both to and with are used: The article compares the Chicago of today with (or to ) the Chicago of the 1890s. The usual practice is to employ to for likenesses between members of different classes: A language may be compared to a living organism. This rule is by no means always observed, however, even in formal speech and writing. Compare should be followed by with, the rule says, when it points out similarities or differences between two entities of the same general class: The critic compared the paintings in the exhibit with magazine photographs. The traditional rule about which preposition to use after compare states that compare should be followed by to when it points out likenesses or similarities between two apparently dissimilar persons or things: She compared his handwriting to knotted string.
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