New-spuser  “c:0(.s|true" -web http://www.mysharepointsite.com/ -permissionlevel "read"

 
 # this script enables a feature on every site collection on a given web app
 
 Add-PSSnapin microsoft.sharepoint.powershell -ErrorAction SilentlyContinue
 $webs =  get-spsite -webapplication "http://www.yoursharepointURL.com"
 $feature = "YourFeatureName" #this might not be what you expect it to be, best to do get-spfeature | Select displayname
 
  Foreach ($oneweb in $webs)
  {
    write-host $oneweb
    $siteFeature = get-spfeature -site $oneweb | Where {$_.displayname -eq $feature}
    if ($siteFeature -eq $null)
    {
      Write-Host "Activating Site level Features at $oneweb" -foregroundcolor Yellow
      Enable-SPFeature -Identity $Feature -URL $oneweb.URL -Confirm:$False
    }
    else
    {
      Write-Host "Feature $feature is already activated on $oneweb" -foregroundcolor green
    }
  }

# if you run from ISE and get a permissions error copy and paste everything to a new tab.
# or run get-executionpolicy (take note what it is) then run (as an administrator): set-executionpolicy unrestricted
#set theses two variables -
$ExportedRuleSetFile = get-content 'c:\PS\PRD_URLset.txt'
$URLtoFind = "/get/content/from/sharepoint.aspx"
Function FindAMatch($Rulefile, $URL)
{
	$table = New-Object system.Data.DataTable "RegExList"
	$col1 = New-Object system.Data.DataColumn Section,([string])
	$col2 = New-Object system.Data.DataColumn Name,([string])
	$col3 = New-Object system.Data.DataColumn RegEx,([string])
	$table.columns.add($col1)
	$table.columns.add($col2)
	$table.columns.add($col3)
 
	$row = $table.NewRow()
	$row.Section = "Section"
	$row.name = "Name"
	$row.RegEx = "Regex"
 
	foreach ($line in $Rulefile )
	{
		if ($line[0] -eq "[")
		{
			$table.Rows.add($row)
			$row = $table.NEwRow()
			$row.Section = $line
		}
		elseif ($line.substring(0,7) -eq "m_regex")
		{
			$row.RegEx = $line.substring(8)
		}
		elseif ($line.substring(0,7) -eq "m_name=")
		{
			$row.Name = $line.Substring(7)
		}
	}
	$table.Rows.add($row)
 
	write-host Note: this only searches SharePoint Rules
	# note the select statement is needed because many of the records don't have regex values
	foreach ($record in $table.select("name like 'SharePoint%'"))
	{
		if ($url -match $record.regex)
		{
			Write-host $url found in $record.name via regex matching $record.regex
		}
	}
} #end function
FindAMatch $ExportedRuleSetFile $URLtoFind

# set site collection owner for all sites...
# 1-2012
Add-PSSnapin Microsoft.SharePoint.PowerShell
 
# $AccountList is an array of Windows Identities in the format of $AccountList = @("DOMAIN\USERID" , "DOMAIN\USERID2")
$AccountList = @("LAB\Jack", "Lab\tom", "Lab\dick", "lab\harry")
 
#this gets an array of objects representing the sites at the IIS level:
$IISSites = Get-SPWebApplication
Foreach($oneIISSite in $IISSites)
{
   #using .Sites, we can get a list of the site collections
   foreach ($SharepointSiteCollection in $oneIISSite.Sites)
   {
      write-host $SharepointSiteCollection.url -ForegroundColor Cyan
      $spweb = Get-SPWeb $SharepointSiteCollection.url
 
      #now we have the website, so lets look at each account in our array
      foreach ($Account in $AccountList)
      {
         #lets see if the user already exists
         Write-host "Looking to see if User " $account " is a member on " $SharepointSiteCollection.url -foregroundcolor Blue</p>
         $user = Get-SPUSER -identity $Account -web $SharepointSiteCollection.url -ErrorAction SilentlyContinue #This will throw an error if the user does not exist
         if ($user -eq $null)
         {
            #if the user did NOT exist, then we will add them here.
            $SPWeb.ALLUsers.ADD($Account, "", "", "Added by AdminScript")
            $user = Get-SPUSER -identity $Account -web $SharepointSiteCollection.url
            Write-host "Added user $Account to URL $SPWeb.URL" -Foregroundcolor Magenta
         }
         else
         {
            Write-host "user $Account was already in URL " $SPWeb.URL -Foregroundcolor DarkGreen
         }
         if ($user.IsSiteAdmin -ne $true)
         {
            $user.IsSiteAdmin = $true
            $user.Update()
            Write-host "$account has been made an admin on $SPWeb.URL" -Foregroundcolor Magenta
         }
         else
         { 
         Write-host "$account was already an admin on $SPWeb.URL" -Foregroundcolor DarkGreen
         }
     }
     $SharePointSite.Dispose()
}
}

# set site collection owner for all sites...
# 1-2012 Jack
 
Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
 
# $AccountList is an array of Windows Identities in the format of $AccountList = @("DOMAIN\USERID" , "DOMAIN\USERID2")
$AccountList = @("LAB\Jack", "Lab\tom", "Lab\dick", "lab\harry")
 
# $iisSiteList is an array of top level IIS site URLs
$iisSiteList = @("http://sharepoint2010s/", "http://sharepoint2010s:8080")
 
#this gets an array of objects representing the sites at the IIS level:
## no longer needed.... $IISSites = Get-SPWebApplication
     Foreach($oneIISSite in $IISSiteList)
     { 
 
  #using .Sites, we can get a list of the site collections
  #so really what were saying is for each SharepointSiteCollection
 
   #this code is altered a bit, since we're using an array of top level site names.
   # we need to use (Get-SPWebApplication $oneIISSite).Sites
  # which is the same as $sitelist = Get-SPWebApplication $oneIISSite
 #                      $sitelist.sites
  foreach ($SharepointSiteCollection in (Get-SPWebApplication $oneIISSite).Sites)
  {
       write-host $SharepointSiteCollection.url -ForegroundColor Cyan
 
       $spweb = Get-SPWeb $SharepointSiteCollection.url
 
       #now we have the website, so lets look at each account in our array
       foreach ($Account in $AccountList)
       {
           #lets see if the user already exists
           Write-host "Looking to see if User " $account " is a member on " $SharepointSiteCollection.url -foregroundcolor Blue
 
           $user = Get-SPUSER -identity $Account -web $SharepointSiteCollection.url -ErrorAction SilentlyContinue #This will throw an error if the user does not exist
           if ($user -eq $null)
           { #if the user did NOT exist, then we will add them here.
               $SPWeb.ALLUsers.ADD($Account, "", "", "Added by AdminScript")
               $user = Get-SPUSER -identity $Account -web $SharepointSiteCollection.url
                Write-host "Added user $Account to URL $SPWeb.URL" -Foregroundcolor Magenta
           }
            else
           {
                Write-host -ForegroundColor DarkGreen "user $Account was already in URL " $SPWeb.URL
           }
 
           if ($user.IsSiteAdmin -ne $true)
           {
             $user.IsSiteAdmin = $true
             $user.Update()
             Write-host "$account has been made an admin on $SPWeb.URL" -Foregroundcolor Magenta
           }
           else
           {
             Write-host -ForegroundColor DarkGreen "$account was already an admin on $SPWeb.URL"
           }
       }
  $SharepointSiteCollection.Dispose()
  } 
}