How to run specific commands/functions of Powershell from Command line?

Question

I have a PowerShell script with a list of commands defined in it. And I am trying to Create a build step in Gitlab CI when run, executes the particular script. For this I want to first Understand: How to run specific commands/functions of Powershell from Command line?

I have read Invoking a specific function from PowerShell script from C# and Calling Powershell functions from C#

The answers are specific to C#. Is there any way I can do it from the command line?

Code looks somewhat like this (myPowerScript.ps1) I have more than One function in my powershell script. It is something like:

         function foo1{
         Param($Parameter1,
         $Parameter2)#
         # Foo1 implementation
         }


         function foo2{
         Param($Parameter1,
         $Parameter2)#
         # Foo2 implementation
         }

         function foo3{
         Param($Parameter1,
         $Parameter2)#
         # Foo3 implementation
         }

I want to invoke foo2: How do I do it? and in this case, how does PowerShell understand which function is invoked?

Just invoke powershell.exe.

Jeroen Mostert
– Jeroen Mostert

2017-06-21 13:51:17 +00:00
Commented Jun 21, 2017 at 13:51 — Jeroen Mostert
– Jeroen Mostert, Commented Jun 21, 2017 at 13:51
The PowerShell console is a command line.

Bill_Stewart
– Bill_Stewart

2017-06-21 16:43:08 +00:00
Commented Jun 21, 2017 at 16:43 — Bill_Stewart
– Bill_Stewart, Commented Jun 21, 2017 at 16:43

guiwhatsthat · Accepted Answer · 2017-06-21 13:52:12Z

0

Your script "stuff.ps1":

Param($Parameter1,
      $Parameter2)

function Do-Stuff
param($Parameter1,
      $Parameter2)

#do stuff
}

Do-Stuff "Value1" "$Value2"

Run your ps script from commandline:

powershell.exe -file "stuff.ps1" "ValueforParam1" "ValueForParam2"

answered Jun 21, 2017 at 13:52

guiwhatsthat

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2 Comments

Padma Channal Over a year ago

I have more than One function in my powershell script. It is something like: function foo1{ Param($Parameter1, $Parameter2)# # Foo1 implementation } function foo2{ Param($Parameter1, $Parameter2)# # Foo2 implementation } function foo3{ Param($Parameter1, $Parameter2)# # Fo31 implementation } So in this case how does powershell understand which function is invoked?

guiwhatsthat Over a year ago

Set some parameters which define which function should run If($this -eq that){#Call function}

DimaSan · Accepted Answer · 2017-06-21 21:36:52Z

0

This works:

powershell -command "& { script1.ps; My-Func }"

Example:

powershell -command "& { mypowerScript.ps; foo2 }"

edited Jun 21, 2017 at 21:36

DimaSan

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answered Jun 21, 2017 at 16:22

Padma Channal

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