Skip to main content

Powershell v2 Function Template

Powershell v2 Function Template
Powershell v2 has updated what you can do with creating functions over Powershell V1. The whole function experience has been updated to a cmdlet like feel with error handling, parameter validation, help creation and of course, tab completion! The following is a bare bones template that I've commented inline for easy reading!


function new-template {
<#
.SYNOPSIS
   Brief description of what the function does
.DESCRIPTION
   A better description
.NOTES
   Function Name : new-template
   Author : Adam Stone
   Requires : PowerShell V2
.LINK
   http://adadmin.blogspot.com/
.EXAMPLE
   Simple usage
   PS C:\> new-template -args values
.EXAMPLE
   Simple usage
   PS C:\> new-template -args values values etc
.PARAMETER first
   A description of the first parameter
.PARAMETER targetdomain
   A description of the sedond parameter
#>

#parameter validataion
param (
   #define the position of the parameter if required, specify if it is mandatory, and give a help message if anything is incorrect
   [Parameter(Position=0, Mandatory=$true,HelpMessage="Enter the source Domain DNS name (eg domain.com) of the OU Structure")]

   #add an alias to accept different names through the pipeline
   [alias("other")]

   #choose one of these if required

   #make sure the option is not null or empty
   #[validatenotnullorempty()]

   #valadate the input against a regex pattern
   #[validatepattern("regex")]

   #valadate the input against defined set of attributes
   #[validateset("one","two")]

   #define type if necessary and what the default value will be if not manditory
   [string] $first = "abcde"
   ,
   #new parameter after the comma
   [Parameter(Mandatory=$false)]
   [alias("out")]
   [string] $fileout = "none"
)
#the processes the function will complete
process {
   #do stuff!
}

}#end function


Comments

Popular posts from this blog

Enable Powershell Remoting (WinRM) via Group Policy

I have been doing some testing on enabling WinRM via group policy, being that WinRM is the service that Powershell v2 sets up it remoting capabilities. Here are the GPO settings that you need to configure WinRM .... set the winrm service to auto start Computer Configuration \ Policies \ Windows Settings \ Security Settings \ System Services Windows Remote Management (WS-Management)  set Startup Mode to Automatic start the service incorporated in to the above - you may need a restart. create a winrm listener Computer Configuration / Policies / Administrative Templates / Windows Components / Windows Remote Management (WinRM) / WinRM Service / Allow automatic configuration of listeners IPv4 filter: * * is listen on all addresses, or if you only want a particular IP address to respond use an iprange eg 10.1.1.1-10.1.1.254 - don't forget that this IP range has to be valid for all hosts that fall in the scope of the GPO you are creating.  You can use 1...

Assigning Permissions - AGDLP

AGDLP It seems I have been mildly distracted away from the title of this blog site.   It does say AD Admin, but I seem to have been taken away by file system stuff.   I have to say, it has all been worthwhile, but it’s probably time I got back to the real heart of what I do. There are probably a million permission assigning advice pages, but I thought I would put another one out there after referring to AGDLP in my last post. So, what is this all about – AGDLP.   Well, it is something I learned in my MCSE 2003 studies and has become ingrained into my ideals since.   As a contractor, I get to move job often.   This enables me to forge opinions on how to configure things in a domain, and more importantly how NOT to configure things. AGDLP is definitely on the to do list…for anyone in any size domain or forest, as it follows some very basic principals.   I will explain these whilst I go through what AGDPL stands for. A A is for...

Finding out what 'SearchFlags' are set on you AD attributes

Whilst doing some research into indexed attributes, I posted this  a while back on how to find your index attributes.  Since then, I have looked a little deeper into what indexing really means and found this excellent explanation on the numbers that can be found in the searchflags attribute of a schema object. Using Florian’s reference, I built the following script (which is both powershell v1 and v2 compatible) to get the schema attributes from the forest schema and return (among other things) the breakdown of your attributes search flags. $forest = [System.DirectoryServices.ActiveDirectory.forest]::getcurrentforest() $schema = [ADSI]('LDAP://CN=Schema,CN=Configuration,dc=' + ($($forest).name -replace "[.]",",dc=")) $attributes = $schema.psbase.children | where {$_.objectClass -eq "attributeSchema"} $collection = @() foreach ($attr in $attributes){ $store = "" | select "Name","lDAPDisplayName","singlev...