February 2019
Intermediate to advanced
626 pages
15h 51m
English
Content preview from Mastering Windows PowerShell Scripting - Third Edition
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Comparing
The Compare-Object command allows collections of objects to be compared to one another.
Compare-Object must be supplied with a value for the ReferenceObject and DifferenceObject parameters, which are normally collections or arrays of objects. If both values are equal, Compare-Object does not return anything by default. For example, both the Reference and Difference object in the following example are identical:
Compare-Object -ReferenceObject 1, 2 -DifferenceObject 1, 2
If there are differences, Compare-Object will display the results, as shown here:
PS> Compare-Object -ReferenceObject 1, 2, 3, 4 -DifferenceObject 1, 2InputObject SideIndicator----------- ------------- 3 <= 4 <=
This shows that the ReferenceObject (the collection ...
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