The following example counts the number of objects returned by GitHub. Then counts the number of objects enumerated to the pipeline. PowerShell Copy $uri = 'https://api.github.com/repos/microsoftdocs/powershell-docs/issues' $x = 0 Invoke-RestMethod -Uri $uri | ForEach-Object { $x++ }...
$a = (1, 2) -eq 3 $a.GetType().Name $a.Count Output Copy Object[] 0 There are a few exceptions: The containment and type operators always return a Boolean value The -replace operator returns the replacement result The -match and -notmatch operators also populate the $Matches...
$logNames='Security','Application','System','Windows PowerShell','Microsoft-Windows-Store/Operational'$logEntries=$logNames|ForEach-Object-Parallel{Get-WinEvent-LogName$_-MaxEvents10000}-ThrottleLimit5$logEntries.Count50000 Parallel参数指定为每个输入日志名称并行运行的脚本块。ThrottleLimit参数可确保所有...
If a numberToReturn is specified, the first collection, contains the passing items, not to exceed the value specified.The remaining objects, even those that PASS the expression filter, are returned in the second collection.PowerShell Copy
Count Child Items for AD Computer Objects Count computers in each OU. Count disabled users in group count files in folder by date count multiple instances of the same process count of files in a folder greater than count of files per directory - recurse count the number of logins for each ...
The -ThrottleLimit parameter limits the number of script blocks running in parallel at a given time, and its default value is 5. This new feature also supports jobs, where you can choose to have a job object returned instead of having results written to the console. Copy $Job = 1..5 ...
if($textFiles=Get-ChildItem*.txt) {$textFiles.Count } In this example, if no files match, theGet-ChildItemcommand returns nothing and assigns nothing to$textFiles, which is considered$falsein a boolean context. If one or moreFileInfoobjects are assigned to$textFiles, the conditional evaluates...
pipeline. Becauseallthe objects in the pipeline are folders, we can use the GetFiles method to retrieve all the files in the folder; in addition, we can use the Count property to determine the number of files GetFiles returned. And why do we need to know the number of files in the ...
Community Extensions you also install a DirectoryServices provider that enables you to access Active Directory in the exact same manner you access the file system. For example, suppose you’re a member of the Fabrikam domain. Want to take a look at the objects stored in the root of that ...
In addition, you can now create your own events which allow you to set up a chain of actions based on what your scripts do. The new version also comes with a large number of new cmdlets. PowerShell version 2.0 introduces a little over 100 new cmdlets with numerous capabilities. All ...