threeletters = "bla"
shortestname = "blabla"
fullname = "blabla primary school"
email = "@blabla.ngfl.ac.uk"

dim fs,objTextFile
set fs=CreateObject("Scripting.FileSystemObject")
dim arrStr
set objTextFile = fs.OpenTextFile("c:\simsexports\" & shortestname & "\year3.csv")

Do while NOT objTextFile.AtEndOfStream
  arrStr = split(objTextFile.ReadLine,",")
'  arrStr is now an array that has each of your fields
' process them, whatever.....

arrStr = Split(objTextFile.ReadLine,",")

firstname = arrStr(0)
surname = arrStr(1)
pupilclass = arrStr(2)

' formatted as john smith
fullnameuser = firstname & " " & surname
' formatted as john.smith
fullnameuserwithdot = firstname & "." & surname
' formatted as bla.john.smith
fullnameuserwithdotandthreeletters = threeletters & "." & firstname & "." & surname
' formatted as johnsmith
fullnamenospace = firstname & surname
' wscript.echo fullnameuserwithdotandthreeletters
DIM fso, Writethis

Set fso = CreateObject("Scripting.FileSystemObject")
' define threeletters here
Set Writethis = fso.CreateTextFile("c:\" & shortestname & "OUTPUT.csv", True)
'
Writethis.WriteLine("DN,objectClass,sAMAccountName,mail,homemdb,displayName,company,givenName,sn,mailnickname,mDBUseDefaults,msExchHomeServerName,userPrincipalName,physicalDeliveryOfficeName") 
Writethis.Write ("""CN=" & fullnameuserwithdotandthreeletters & ",OU=" & fullname & " reset" & ",DC=primaryt,DC=co,DC=uk" & """")
Writethis.Write (",user") 
Writethis.Write ("," & fullnameuserwithdotandthreeletters & "")
Writethis.Write ("," & fullnameuserwithdotandthreeletters & email & "")
Writethis.Write (",""CN=Mailbox Store (MAIL),CN=First Storage Group,CN=InformationStore,CN=MAIL,CN=Servers,CN=First Administrative Group,CN=Administrative Groups,CN=Primary Technology,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=primaryt,DC=co,DC=uk""")
Writethis.Write ("," & fullnameuser & "")
Writethis.Write ("," & fullname & "")
Writethis.Write ("," & firstname & "")
Writethis.Write ("," & surname & "")
Writethis.Write ("," & fullnameuserwithdotandthreeletters & "")
Writethis.Write (",TRUE,/o=Primary Technology/ou=First Administrative Group/cn=Configuration/cn=Servers/cn=MAIL")
Writethis.Write ("," & fullnameuserwithdotandthreeletters & email & "")
Writethis.Write ("," & pupilclass & "")
Writethis.Close 


Loop

wscript.echo "this only does year3."
objTextFile.Close
set objTextFile = Nothing
set fs = Nothing