Questions tagged [powershell]
PowerShell is a cross-platform command line and scripting utility from Microsoft. Use this tag for questions about writing and executing PowerShell scripts ONLY. Programming questions specific to the cross-platform version PowerShell Core (Windows, macOS, and Linux) should be tagged [powershell-core]. Questions about system administration should be asked on Super User or Server Fault.
powershell
118,120
questions
2897
votes
54
answers
4.7m
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PowerShell says "execution of scripts is disabled on this system."
I am trying to run a cmd file that calls a PowerShell script from cmd.exe, but I am getting this error:
Management_Install.ps1 cannot be loaded because the execution of scripts is disabled on this ...
- 29k
2871
votes
23
answers
3.1m
views
Determine installed PowerShell version
How can I determine what version of PowerShell is installed on a computer, and indeed if it is installed at all?
- 44.3k
1365
votes
28
answers
3.7m
views
How can I close some specific port on Linux? [closed]
How can I remove the port that some application/process has used it but didn't close the port?
For example: when I run ssh on my ubuntu and tunnel the ssh connection on some port <PORT> on my ...
- 42k
1103
votes
10
answers
1.0m
views
How do you comment out code in PowerShell?
How do you comment out code in PowerShell (1.0 or 2.0)?
- 13.8k
1044
votes
17
answers
3.1m
views
How to run a PowerShell script
How do I run a PowerShell script?
I have a script named myscript.ps1
I have all the necessary frameworks installed
I set that execution policy thing
I have followed the instructions on this MSDN help ...
- 447k
1004
votes
24
answers
1.2m
views
Setting Windows PowerShell environment variables
I have found out that setting the PATH environment variable affects only the old command prompt. PowerShell seems to have different environment settings. How do I change the environment variables for ...
- 37.6k
972
votes
22
answers
2.4m
views
How do I concatenate strings and variables in PowerShell?
Suppose I have the following snippet:
$assoc = New-Object PSObject -Property @{
Id = 42
Name = "Slim Shady"
Owner = "Eminem"
}
Write-Host $assoc.Id + " - " ...
- 11.1k
733
votes
14
answers
810k
views
What's the best way to determine the location of the current PowerShell script?
Whenever I need to reference a common module or script, I like to use paths relative to the current script file. That way, my script can always find other scripts in the library.
So, what is the best,...
- 26.4k
684
votes
15
answers
651k
views
How to enter a multi-line command
Is it possible to split a PowerShell command line over multiple lines?
In Visual Basic I can use the underscore (_) to continue the command in the next line.
- 7,058
633
votes
1
answer
927k
views
How to handle command-line arguments in PowerShell
What is the "best" way to handle command-line arguments?
It seems like there are several answers on what the "best" way is and as a result I am stuck on how to handle something as simple as:
script....
- 6,667
625
votes
16
answers
946k
views
How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty-like function in order to check if a string is null or empty, in PowerShell?
I could not find it so far and if there is a built-in way, I do not want to write a ...
- 52.8k
609
votes
8
answers
984k
views
How can I pass an argument to a PowerShell script?
There's a PowerShell script named itunesForward.ps1 that makes iTunes fast forward 30 seconds:
$iTunes = New-Object -ComObject iTunes.Application
if ($iTunes.playerstate -eq 1)
{
$iTunes....
- 64.2k
588
votes
15
answers
923k
views
How do I pass multiple parameters into a function in PowerShell?
If I have a function which accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty.
A quick test script:
...
- 11.3k
559
votes
11
answers
1.4m
views
Terminating a script in PowerShell
I've been looking for a way to terminate a PowerShell (PS1) script when an unrecoverable error occurs within a function. For example:
function foo() {
# Do stuff that causes an error
$host....
- 16.5k
546
votes
13
answers
777k
views
Create directory if it does not exist
I am writing a PowerShell script to create several directories if they do not exist.
The filesystem looks similar to this
D:\
D:\TopDirec\SubDirec\Project1\Revision1\Reports\
D:\TopDirec\SubDirec\...
- 5,717