How To Run Powershell Scripts

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Powershell scripts are used to complete tasks simply running script files. This provides easy to use way to run same commands again and again. Scripts also used to share experience with other system administrators easily. Scripts may need sometimes parameters to operator. In this tutorial we will look different aspects and usage forms of Powershell scripts.

Enable Powershell Script Execution with Execution Policy

Securit is important topic todays. Microsoft have learned a lot of things from previous mistakes. It created some security mechanisms for its powerful scripting engine Powershell.

Print Current Execution Policy

Get-ExecutionPolicy is used to list current status of the execution policy. We will get like belolw.

Print Current Execution Policy

Print Current Execution Policy

As we can see that current execution policy is Restricted which simply means we can not run downloaded powershell scripts.

Enable Execution Policy

We can change powershell execution policy with Set-ExecutionPolicy command by specifying the new policy name. We will allow all scripts by specifying policy named Unrestricted . In order to change the current shell should have Administrator privileges.

Enable Execution Policy

Enable Execution Policy

We will simply answer Y to the confirmation question.

Create Simple Script

In order to use in test we will create a script file named helloworld.ps1 which contains following script. ps1 is used to specify the powershell script and the v

Run Script In The Current Directory

We can simply run the script which resides in the current directory. In this example we will run helloworld.ps1 . . is the current working directory.

LEARN MORE  Debugging Linux Bash Scripts

Path with Spaces

Spaces have different meaning in Powershell and path or file names with spaces must be surrounded with double  "  or ' single quotes.

Using Invoke Command Commandlet

Powershell provides Invoke-Command commandlet for command invocation. We can use this for script call. More detailed about Invoke-Command can be found below.

Run Commands In Local and Remote System With Powershell Invoke-Command Cmdlet

Run With CMD.exe

We can call different shells from Powershell. For example we can call python commands and script from Powershell by specifying python interpreter. We can also runcmd.exe to call MS DOS scripts like below. But keep in mind that MSDOS can only run bat files.

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