[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...
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 ...
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...
If you want to allow more than one value for the ComputerName parameter, use the String datatype but add square brackets ([]) to the datatype to allow an array of strings. PowerShell Copy function Test-MrParameterValidation { [CmdletBinding()] param ( [Parameter(Mandatory)] [string[]]...
Explains how to use the Split operator to split one or more strings into substrings.about_SwitchExplains how to use a switch to handle multiple if statements.about_Tab_ExpansionPowerShell provides completions on input to provide hints, enable discovery, and speed up input entry. Command names, ...
Process { if(Invoke-Expression $expression) { $_ } } RUN: PS C:Usersv-ylian> dir | E:2010OCSBookPowerShellWindows.PowerShell.CookbookPowerShellCookbook_SamplesCompare-Pro perty.ps1 PsIsContainer Directory: C:Usersv-ylian Mode LastWriteTime Length Name ...
$d = $a.CompareTo($b) As you can see, we’re simply taking $a and calling theCompareTomethod, passing the second string ($b) as the sole method parameter. If CompareTo returns a 0, that means the two strings are equal; anything other than a 0 means that the two strings are dif...
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 ...
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 have a tip you’d like us to share or a question about how to do something, let us know. Using Windows PowerShell “Here-Strings” One of the problems people have when sizing up a new scripting language (like Windows PowerShell) is this: by definition, scripting languages pretty...