[appdomain]::currentdomain.getassemblies() |ForEach-Object{$_.GetExportedTypes() |Where-Object{!$_.IsSubclassof([System.Enum])} } |ForEach-Object{$Methods=$_.getmethods() |Where-Object{$_.name-eq"tostring"} |%{"$_"};If($methods-eq"System.String ToString(System.String)") {$_.fullnam...
Right-hand values are always treated as singleton instances, even when they're collections. The comparison operators can't effectively compare collections to collections. If there are no matches in the collection, comparison operators return an empty array. For example: PowerShell Copy $a = (1...
The Compare-Object cmdlet compares two sets of objects. One set of objects is the reference, and the other set of objects is the difference. Compare-Object checks for available methods of comparing a whole object. If it can't find a suitable method, it calls the ToString() methods of ...
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 from file 2 to a 3rd text file Compare-Object : Cannot bind argument to parameter 'Referenc...
Use the-matchoperator to compare a string to the regular expression. '123-456-7890' -match '\d\d\d-\d\d\d-\d\d\d\d' PowerShell'sBooleanoperation will return truebecause it found a match for the regular expression. You can place a phone number inside a longer string to see ...
Compare-Object Compares two sets of objects. Complete-Transaction Commits the active transaction. Connect-WSMan Connects to the WinRM service on a remote computer. ConvertFrom-CSV Converts object properties in CSV format into CSV versions of the original objects. ConvertFrom-SecureString Converts a ...
Describes theSplitoperator, which splits strings into substrings. about_Switch Explains how to use a switch statement to replace multipleIfstatements. about_Throw Describes theThrowkeyword, which generates a terminating error. about_Transactions
In PowerShell 7, a new runspace is created for each loop iteration to ensure maximum isolation. This can be a large performance and resource hit if the work you are doing is small compared to creating new runspaces or if there are a lot of iterations performing significant work. As of Pow...
seeabout_Scopes. You can use this to build strings containing the command, parameters, and arguments you need, and then invoke the string as if it were a command. The strings that you create must follow the same parsing rules as a command that you type at the command line. For more inf...
If you work with database types, you may get back a[dbnull]::Valuewhich is equivalent to$nullwithin the database, but in PowerShell, this was not equal to$nullso you can’t compare it directly. This change fromJoel Sallowallows you to compare both[dbnull]::Valueand[nullstring]::Valu...