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Articles by Chirag Nagrekar
Page 22 of 40
How to use ForEach-Object Parallel cmdlet in PowerShell?
Foreach-Object -Parallel command was introduced in PowerShell version 7, preview 3, and it is used for the parallel execution of the pipeline input and more details on this have been explained in this article.Please Note: Foreach-Object and Foreach commands are the same but we can’t write Foreach -Parallel command because there is no such command, we need to use the full command, Foreach-Object -Parallel.A simple example of running a parallel object.Example1..10 | ForEach-Object -Parallel{ $_ * 1000 Sleep 1 }Output1000 2000 3000 4000 5000 6000 7000 8000 9000 10000Let's compare the timings with and without -Parallel parameter.Parallel Execution$time1 = Measure-Command { ...
Read MoreHow to use stopwatch in PowerShell?
To use the stopwatch in PowerShell, we need to use [System.Diagnostics.Stopwatch] class.We will create a new object for this class, $stopwatch = [System.Diagnostics.Stopwatch]::new()Below are the members of the above stopwatch mentioned class.PS C:\> $Stopwatch | gm TypeName: System.Diagnostics.Stopwatch Name MemberType Definition ---- ---------- ---------- Equals Method bool Equals(System.Object obj) GetHashCode Method int GetHashCode() GetType Method type GetType() Reset Method void Reset() Restart Method void Restart() Start Method void Start() Stop Method void Stop() ToString Method string ToString() Elapsed Property timespan Elapsed {get;} ElapsedMilliseconds Property long ElapsedMilliseconds {get;} ElapsedTicks Property long ElapsedTicks {get;} IsRunning Property bool IsRunning {get;}You can see ...
Read MoreHow Ternary operator in PowerShell Works?
The ternary operator in PowerShell was introduced with the PowerShell version7.0. The ternary operator has ‘?’ (question mark) symbol and its syntax is, [Condition] ? (output if True) : (output if false)The left side of the ternary operator is condition and the right side is output based on the condition statement. The output from the condition is in the forms of the Boolean, if the condition is true, the True block will be executed and if the condition is false, the False block will be executed. For example, Example$a = 5; $b = 6 ($a -gt $b) ? "True" : ...
Read MoreHow to use Compare-Object in PowerShell?
Compare-Object command in PowerShell is used to compare two objects. Objects can be a variable content, two files, strings, etc. This cmdlet uses few syntaxes to show the difference between objects which is called side indicators.=> - Difference in destination object. Compare-Object "World" "Alpha" InputObject SideIndicator ----------- ------------- Alpha => World Compare-Object "World" "woRld" PS C:\> Compare-Object "World" "woRld" -IncludeEqual InputObject SideIndicator ----------- ------------- World ==Please note, Comparison-Object is not case sensitive. For the case-sensitive comparison, use -CaseSensitive parameter.PS C:\> Compare-Object "World" "woRld" -CaseSensitive InputObject SideIndicator ----------- ------------- woRld => World File2.txt ...
Read MoreHow to remove the mapped network drive using PowerShell?
To remove mapped drives from PowerShell on windows systems, you can use both PowerShell and cmd commands.Using the cmd commandYou can use the below command for a single mapped drive-by specifying the disk drive letter or by using the wildcard character (*).To remove a single mapped drive.Examplenet use K: /deleteOutputPS C:\WINDOWS\system32> net use K: /delete K: was deleted successfully.To remove multiple mapped drives together.Examplenet use * /deleteYou need to confirm removing multiple mapped disks together.OutputPS C:\WINDOWS\system32> net use * /delete You have these remote connections: K: \remoteshare\shared M: \remoteshare\shared folder Continuing will cancel the connections. Do you want to continue this operation? (Y/N) [N]: Y The command completed successfully. Using the PowerShell methodTo remove the mapped network drive with PowerShell ...
Read MoreHow to map the network drive using PowerShell?
You can map the network drive on the local and remote computers using several ways.Using cmd command.You can use the below command to map the network drive, here letter M, and the shared folder on the local computer.Examplenet use M: "\remoteshare\Shared Folder" PS C:\WINDOWS\system32> net use M: Local name M: Remote name \remoteshare\Shared Folder Resource type Disk Status OK # Opens 1 # Connections 1 The command completed successfully.To map on the remote computer.Invoke-Command -ComputerName RemoteComputer -ScriptBlock{net use k: "\remoteshare\shared"} Using the New-PSDrive command.You can map a network drive using ...
Read MoreHow to display multiple outputs on an HTML webpage using PowerShell?
Consider you have multiple outputs to display on the webpage using PowerShell and we will use the Convertto-HTML built-in cmdlet for it but to display them properly, we first need to convert each part into fragment using –Fragment parameter.Let’s just take the simple example without the –Fragment parameter. In the below example, we are going to display the BIOS information, Local disk information, and Automatic but stopped services information.#To get the BIOS information Get-CimInstance Win32_BIOS | Select Name, Manufacturer, SerialNumber, Status, Version | ConvertTo-Html | Out-File ComputerInformation.html #To get the logical disk information Get-CimInstance Win32_LogicalDisk | where{$_.DriveType -eq '3'} | Select DeviceID, @{N='Total Size(GB)';E={[math]::Round($_.Size/1GB, 2)}}, @{N='Free size(GB)';E={[math]::Round($_.Freespace/1GB)}} | ...
Read MoreHow to use CSS style in PowerShell HTML Output?
Cascading Style Sheets (CSS) in general used for formatting HTML with styles. It describes how the HTML elements should be displayed.Once we get the output from the Convertto-HTML command, we can use the CSS style to make the output more stylish.Consider we have the below example for converting the services output table to the HTML.ExampleGet-Service | Select Name, DisplayName, Status, StartType | ConvertTo-Html -Title "Services" -PreContent "Services Output" | Out-File Servicesoutput.htmlThe output is simple for the above command in HTML.There are multiple ways to add the CSS style in the above HTML file so the file output becomes more stylish. ...
Read MoreExplain HTML formatting in PowerShell?
HTML is another form of output in PowerShell. It is the rich form of output and you can use various CSS styles to make the output more interactive. We will use the Convertto-HTML cmdlet to convert the output in the HTML format.Here is the Syntax of the Convertto-HTML cmdlet.ExampleConvertTo-Html [-InputObject ] [[-Property] ] [[-Body] ] [[-Head] ] [[-Title] ] [-As ] [-CssUri ] [-PostContent ] [-PreContent ] [-Meta ] [-Charset ] [-Transitional] [] ...
Read MoreHow to use a transcript in PowerShell?
Transcript in Powershell is like a recording session. So whenever you start a transcript in PowerShell, it starts recording your commands and outputs and doesn't matter if there is any error output, it gets recorded too. To start the transcript, you need to run Start-Transcript command at the beginning, and then whatever you write, it will get recorded.To start the recording, you need to write Start-Transcript command and have to give the path for the transcript as shown in the below example, ExampleStart-Transcript -Path C:\Temp\sessionrecord.txtOnce you enter the above command you will get the message as shown below.Start-Transcript -Path .\Sessionrecording.txtOutputPS E:\scripts\Powershell> Start-Transcript -Path .\Sessionrecording.txt Transcript started, output file is .\Sessionrecording.txtBelow is the ...
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