Redirecting standard input\output in Windows PowerShell
You can’t hook a file directly to stdin, but you can still access stdin. Get-Content input.txt | ./program > output.txt
powershell-2.0
Best way to check if an PowerShell Object exist?
I would stick with the $null check since any value other than ” (empty string), 0, $false and $null will pass the check: if ($ie) {…}.
Obtaining ExitCode using Start-Process and WaitForExit instead of -Wait
There are two things to remember here. One is to add the -PassThru argument and two is to add the -Wait argument. You need to add the wait argument because of this defect. -PassThru [<SwitchParameter>] Returns a process object for each process that the cmdlet started. By default, this cmdlet does not generate any output. … Read more
Escaping quotes and double quotes
Using the backtick (`) works fine for me if I put them in the following places: $cmd=”\\server\toto.exe -batch=B -param=`”sort1;parmtxt=”Security ID=1234″`”” $cmd returns as: \\server\toto.exe -batch=B -param=”sort1;parmtxt=”Security ID=1234″” Is that what you were looking for? The error PowerShell gave me referred to an unexpected token ‘sort1’, and that’s how I determined where to put the backticks. … Read more
GetType used in PowerShell, difference between variables
First of all, you lack parentheses to call GetType. What you see is the MethodInfo describing the GetType method on [DayOfWeek]. To actually call GetType, you should do: $a.GetType(); $b.GetType(); You should see that $a is a [DayOfWeek], and $b is a custom object generated by the Select-Object cmdlet to capture only the DayOfWeek property … Read more
Copy file remotely with PowerShell
From PowerShell version 5 onwards (included in Windows Server 2016, downloadable as part of WMF 5 for earlier versions), this is possible with remoting. The benefit of this is that it works even if, for whatever reason, you can’t access shares. For this to work, the local session where copying is initiated must have PowerShell … Read more
How to upgrade PowerShell version from 2.0 to 3.0
Download and install from http://www.microsoft.com/en-us/download/details.aspx?id=34595. You need Windows 7 SP1 though. It’s worth keeping in mind that PowerShell 3 on Windows 7 does not have all the cmdlets as PowerShell 3 on Windows 8. So you may still encounter cmdlets that are not present on your system.
Powershell: Count items in a folder with PowerShell
You should use Measure-Object to count things. In this case it would look like: Write-Host ( Get-ChildItem c:\MyFolder | Measure-Object ).Count; or if that’s too long Write-Host ( dir c:\MyFolder | mo).Count; and in PowerShell 4.0 use the measure alias instead of mo Write-Host (dir c:\MyFolder | measure).Count;
Extract the filename from a path
If you are ok with including the extension this should do what you want. $outputPath = “D:\Server\User\CUST\MEA\Data\In\Files\CORRECTED\CUST_MEAFile.csv” $outputFile = Split-Path $outputPath -leaf
powershell – extract file name and extension
If the file is coming off the disk and as others have stated, use the BaseName and Extension properties: PS C:\> dir *.xlsx | select BaseName,Extension BaseName Extension ——– ——— StackOverflow.com Test Config .xlsx If you are given the file name as part of string (say coming from a text file), I would use the … Read more