Add sample data to SharePoint list

AddSampleData.ps1

# ----------------------------------------------
# Author: Romain Blanchard
# Date: 13.05.2015
# Description: Add sample data to GDoc application
# ----------------------------------------------

param(
        [String]$SiteUrl=$(throw 'Parameter -SiteUrl is missing!')
    )

# -- Initialize -- #
$csv = Import-csv -Path "./SampleData.csv" -Delimiter ","
$web = Get-SPWeb $SiteUrl
$list = $web.Lists["Referentiel"]
$count = 1

# -- Script --#
foreach($csvitem in $csv)
{    
    $addedItem = $list.items.Add()
    $addedItem["Titre"] = $count
	$addedItem["Maitre"] = $csvitem.Maitre
	$addedItem["GAVA"] = $csvitem.GAVA
	$addedItem["Nom du client"] = $csvitem.Client
	$addedItem["MBDGDocNumeroAlea"] = $csvitem.NumAlea
	$addedItem["OF_Metadata"] = $csvitem.OF
	$addedItem["OT_Metadata"] = $csvitem.OT
	$addedItem["PN_Metadata"] = $csvitem.PNs
	$addedItem["Produit"] = $csvitem.Produit
	$addedItem["Projet_Metadata"] = $csvitem.Projet
	$addedItem["SN"] = $csvitem.SN
	$addedItem["MBDGDocDesignation"] = $csvitem.Designation
	$addedItem["CommandeERP"] = $csvitem.CommandeERP
	$addedItem["Avion"] = $csvitem.Avion
    
    $count++
    $addedItem.Update()
}
Write-Host "Done !" -ForegroundColor "Green"

SampleData.csv