getMailUserFromGTPIImport.ps1

$FirstName = @()
$LastName = @()
$liny = ""
foreach($line in Get-Content .\userList.txt) #.\userList.txt
{
    $UC = ""
    $LC = ""
    $strtab = $line -split "\s+"
    for($i=0; $i -lt $strtab.length; $i++)
    {
        if($strtab[$i] -cmatch "[A-Z]{2,}")
        {
            if($UC -eq "")
            {
                $UC = $strtab[$i]
            }
            else
            {
                $UC += " " + $strtab[$i]
            }
        }
        else
        {
            if($LC -eq "")
            {
                $LC = $strtab[$i]
            }
            else
            {
                $LC += " " + $strtab[$i]
            }
        }
    }
    $FirstName += $LC
    $LastName += $UC
}
#0..($FirstName.Length-1) | Select-Object @{n="FirstName";e={$FirstName[$_]}}, @{n="LastName";e={$LastName[$_]}}  #display 2 dim tab of name & surname
for($i=0; $i -lt ($FirstName.Length-1); $i++)
{
    $theUser = Get-ADUser -SearchBase "ou=SAM,dc=mydom,dc=dom,dc=fr" -Properties mail -Filter * `
    | ? { $_.SurName -eq $LastName[$i] -and $_.GivenName -eq $FirstName[$i]} | select -Property mail, GivenName, Surname
    $liny += $theUser.mail + " " + $theUser.GivenName + " " + $theUser.SurName + "`n"
}
$liny | Out-File ".\userListFormated.txt"
$liny