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PowerShell Team

Automating the world one-liner at a time…

FAQ Archives | PowerShell Team

Same Command. Different Return Types.
Same Command. Different Return Types.
PowerShell Team PowerShell Team December 10, 2010 Dec 10, 2010 12/10/10
My command seems to behave differently depending on how many items were returned. This is something that the PowerShell Team hears from the community or our internal partners every couple of weeks. This blog post will explain when a Windows PowerShell command returns different types and offer some reasons for why it is done this way. In ...

Comments are closed.0FAQReturn Values
Installing PowerShell on Vista/"Longhorn" Server
Installing PowerShell on Vista/"Longhorn" Server
PowerShell Team PowerShell Team March 8, 2007 Mar 8, 2007 03/8/07
1.       I am new to PowerShell and would like to install it on my Vista machine. The following page  http://www.microsoft.com/windowsserver2003/technologies/management/powershell/download.mspx gives you links to various PowerShell downloads. Choose the one that best matches your operating system, platform ...

Comments are closed.0FAQ
Why Can’t I Pipe Format-Table to Export-Csv (and get something useful)?
Why Can’t I Pipe Format-Table to Export-Csv (and get something useful)?
PowerShell Team PowerShell Team March 7, 2007 Mar 7, 2007 03/7/07
Ken's PowerShell blog has an entry Remote Services and PowerShell where he wrote a function to get services from a remote machine using WMI. He formatted the data using FT (format-table) and then went on to export the data to CSV. He pointed out that the following would NOT work rget-service remotemachinename netlogon | ft -autosize name,...

Comments are closed.0FAQ
Why isn’t “New-Object” aliased to “New”
Why isn’t “New-Object” aliased to “New”
PowerShell Team PowerShell Team February 23, 2007 Feb 23, 2007 02/23/07
Alistair Young made a Note to Self : In a standard PowerShell installation, "new" is not an alias for "new-object". You added that. You should therefore know better that to make this kind of dumbass mistake. We talked about making "New" an alias to "New-Object" but decided against it in the end because it leaves open the door for us to provide...

Comments are closed.0FAQ
PowerShell Cheat Sheet Redux – the PDF version
PowerShell Cheat Sheet Redux – the PDF version
PowerShell Team PowerShell Team January 24, 2007 Jan 24, 2007 01/24/07
Attached is a PDF version of Ben Pearce's PowerShell Cheat Sheet.  In the past I've encouraged everyone to speak up and complain if we were messing up or not giving you what you needed.  I'm pleased to see that you have taken this to heart (seriously).   Ben and every other Microsoft employee has been using ...

Comments are closed.0FAQ
PowerShell Cheat Sheet
PowerShell Cheat Sheet
PowerShell Team PowerShell Team January 24, 2007 Jan 24, 2007 01/24/07
Ben Pearce was gracious enough to put together a good looking PowerShell Cheat Sheet which I've included as an attachment to this blog post.  By definition, a cheat sheet is incomplete so this contains the things that Ben has found to be the most import.   I think you'll find it useful. Cheers! Jeffrey Snover [MSFT]...

Comments are closed.0FAQ
Windows PowerShell Exit Codes
Windows PowerShell Exit Codes
PowerShell Team PowerShell Team October 14, 2006 Oct 14, 2006 10/14/06
Windows PowerShell Exit Codes   PSMDTAG:FAQ: How can my script control the PowerShell exit code? Answers: 1.      A normal termination will set the exitcode to 0 2.      An uncaught THROW will set the exitcode to 1 3.      The EXIT statement will stop the ...

Comments are closed.0FAQ
The Wonders of Date Math using Windows PowerShell
The Wonders of Date Math using Windows PowerShell
PowerShell Team PowerShell Team September 17, 2006 Sep 17, 2006 09/17/06
Larry Hayden posted a query about dates at:http://techtasks.com/bookmarks/powershell/2006/09/interview-with-a-scripter-jeffrey-snover/ He has a script which gets all the Application Events that happened TODAY: ————————————————————$today = [DateTime]::Today$Events = Get-Eventlog -New 1024 Application | ...

Comments are closed.0DOTNETFAQ
ErrorLevel equivalent
ErrorLevel equivalent
PowerShell Team PowerShell Team September 15, 2006 Sep 15, 2006 09/15/06
PSMDTAG:FAQ: ErrorLevel - what is the PowerShell equivalent? In Cmd.exe, %ErrorLevel% is a builtin variable which indicates the success or failure of the last executable run. In PowerShell, we support:     $?       Contains True if last operation succeeded and False otherwise.And   &...

Comments are closed.0$lastExitCodeErrorLevel
DateTime Utility Functions
DateTime Utility Functions
PowerShell Team PowerShell Team September 6, 2006 Sep 6, 2006 09/6/06
I often want to find things that happened Today.  For instance, which files got changed today.  Windows PowerShell makes this easy to do but it can be a bit verbose and I do it a lot so I've added a function to my profile:  IsToday. function isToday ([datetime]$date) {[datetime]::Now.Date  -eq  $date.Date} This takes ...

Comments are closed.0DateTimeFAQ
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