Add/Remove listview web part in publish site via powershell

1. Here is the code: Add WebPart in Publish Site

Example : AddWebPartPublish http://localhost  "/Pages/Publish.aspx" "Shared Documents" "Header" "0"

###########################################################################

# $siteUrl : The site url -Example: http://localhost                                                                       #

# $pagePath: The page path                                                                                                       #

# $listName: The name of list that should be added. -Example: Birthdays                                 #

# $webpartZone: The zone in page  - Example: "Header"                                                          #

# $index: The index of web part in the zone  -Example: "0"                                                       #

###########################################################################

#  Import the Microsoft.SharePoint.PowerShell

if ( (Get-PSSnapin -Name Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue) -eq $null )
{
    Add-PSSnapin Microsoft.SharePoint.PowerShell
}
Add-PSSnapin System.Reflection -erroraction silentlyContinue

function  AddWebPartPublish($siteUrl, $pagePath, $listName, $webpartZone, $index)
{
        $pageUrl = $siteUrl + $pagePath
        $spWeb = Get-SPWeb $siteUrl -ErrorAction Stop

        [Microsoft.SharePoint.Publishing.PublishingWeb]$pubWeb = [Microsoft.SharePoint.Publishing.PublishingWeb]::GetPublishingWeb($spWeb);
        $allowunsafeupdates = $spWeb.AllowUnsafeUpdates
        $spWeb.AllowUnsafeUpdates = $true

        $page = $spWeb.GetFile($pageUrl);
        if ($page.Level -eq [Microsoft.SharePoint.SPFileLevel]::Checkout)
	    {
          if ($page.CheckedOutBy.UserLogin -eq $spWeb.CurrentUser.UserLogin)
          {
            write-host "Page has already been checked out "
          }
          else
          {
            $SPWeb.CurrentUser.LoginName
		    $page.UndoCheckOut()
		    $page.CheckOut()
            write-host "Check out the page override"
          }  

        }
        else
        {
           $page.CheckOut()
           write-host "Check out the page"
        }
        try{
                #Initialise the Web part manager for the specified profile page.
                $spWebPartManager = $spWeb.GetLimitedWebPartManager($pageUrl, [System.Web.UI.WebControls.WebParts.PersonalizationScope]::Shared)

                #  Check list is exist or not
                foreach($list in $spWeb.Lists)
                {
                    if($list.Tostring() -eq $listName)
                        {
                            write-host "The list named $list is existing"
                            #$ListViewWebPart = New-Object Microsoft.SharePoint.WebPartPages.ListViewWebPart
                            $ListViewWebPart = New-Object Microsoft.SharePoint.WebPartPages.XsltListViewWebPart
                            $listViewWebPart.Title = $listName
                            $ListViewWebPart.ListName = ($list.ID).ToString("B").ToUpper()

                            #$ListViewWebPart.ChromeType = "none"

                            $ListViewWebPart.ViewGuid = ($list.Views[0].ID).ToString("B").ToUpper()

                            $spWebPartManager.AddWebPart($ListViewWebPart, $webpartZone, $index)
                            $spWebPartManager.SaveChanges($ListViewWebPart)

                            break;

                        }
                }

                #Check to ensure the page is checked out by you, and if so, check it in
                if ($page.CheckedOutBy.UserLogin -eq $spWeb.CurrentUser.UserLogin)
                {
                    $page.CheckIn("Page checked in automatically by PowerShell script")
                    Write-Output "Page has been checked in"
                }

                $page.Publish("Published")
                Write-Output "Page has been published success"
                $pubWeb.Close()
                $spWeb.Update()

                if($flag -eq 0)
                {
                    write-host "Not exist"
                }
                else
                {
                    Write-Output "success"
                }
            }

        catch
            {
                write-host "(ERROR : "$_.Exception.Message")"
                throw
             }

        finally
            {

                $spWeb.Dispose()

            }

} 

2. Here is the code: Delete WebPart in Publish Site

Example : RemoveWebPart " http://localhost"  "/Pages/Publish.aspx" "Shared Documents"

###########################################################################

# $siteUrl : The site url -Example: http://localhost                                                                       #

# $pagePath: The page path                                                                                                       #

# $listName: The name of list that should be added. -Example: Birthdays                                 #

###########################################################################

#  Import the Microsoft.SharePoint.PowerShell

if ( (Get-PSSnapin -Name Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue) -eq $null )
{
    Add-PSSnapin Microsoft.SharePoint.PowerShell
}

function  RemoveWebPart($siteUrl, $pagePath, $name)
{
      #$web  = $site.OpenWeb("/Ops")
        # Check the parameter is null or not
        if($siteUrl.trim() -eq $null -or $name.trim() -eq $null -or $pagePath.trim() -eq $null)
        {
           write-host "The parameter is null"
           return
        }
        $pageUrl = $siteUrl + $pagePath
        $spWeb = Get-SPWeb $siteUrl -ErrorAction Stop

        [Microsoft.SharePoint.Publishing.PublishingWeb]$pubWeb = [Microsoft.SharePoint.Publishing.PublishingWeb]::GetPublishingWeb($spWeb);
        $allowunsafeupdates = $spWeb.AllowUnsafeUpdates
        $spWeb.AllowUnsafeUpdates = $true

        $page = $spWeb.GetFile($pageUrl);
        if ($page.Level -eq [Microsoft.SharePoint.SPFileLevel]::Checkout)
	    {
          if ($page.CheckedOutBy.UserLogin -eq $spWeb.CurrentUser.UserLogin)
          {
            write-host "Page has already been checked out "
          }
          else
          {
            $SPWeb.CurrentUser.LoginName
		    $page.UndoCheckOut()
		    $page.CheckOut()
            write-host "Check out the page override"
          }  

        }
        else
        {
           $page.CheckOut()
           write-host "Check out the page"
        }
        try{
                #Initialise the Web part manager for the specified profile page.
                $spWebPartManager = $spWeb.GetLimitedWebPartManager($pageUrl, [System.Web.UI.WebControls.WebParts.PersonalizationScope]::Shared)
                $flag = 0
                #Circle all the Webparts in the specified page
                foreach ($webpart in $spWebPartManager.WebParts)
                {
                    #write-host $siteUrl +": Existing Web part - " + $webpart.Title + " : " + $webpart.ID
                    if($webpart.Title -eq $name)
                    {

                        $spWebPartManager.DeleteWebPart($spWebPartManager.WebParts[$webpart.ID])
                         $spWebPartManager.SaveChanges($webpart)
                        Write-Output "Delete the webpart"
                        $flag = 1

                        break;
                    }
                }

                #Check to ensure the page is checked out by you, and if so, check it in
                if ($page.CheckedOutBy.UserLogin -eq $spWeb.CurrentUser.UserLogin)
                {
                    $page.CheckIn("Page checked in automatically by PowerShell script")
                    Write-Output "Page has been checked in"
                }

                $page.Publish("Published")
                Write-Output "Page has been published success"
                $pubWeb.Close()
                $spWeb.Update()

                if($flag -eq 0)
                {
                    write-host "Not exist"
                }
                else
                {
                    Write-Output "success"
                }
            }

        catch
            {
                write-host "(ERROR : "$_.Exception.Message")"
                throw
             }

        finally
            {

                $spWeb.Dispose()

            }

}