Renommer des dossiers, créer des dossiers et déplacer des fichiers -> applescript

OK !
essai ce script:
Bloc de code:
tell application "Finder"
    
    
    set lechemin to choose folder with prompt "Sélectionnez le Dossier principal à traiter ?"
    display dialog "Entrer le chiffre à ajouter à l'ISBN :" default answer ""
    set lechiffre to text returned of result
    set lecheminfichierindd to choose file with prompt "Sélectionnez le gabarits Indesign à copier ?"
    set lecheminfichiercl to choose file with prompt "Sélectionnez le CL à copier ?"
    display dialog "Entrer le numero de la table SN :" default answer ""
    set ntablesn to text returned of result
    display dialog "Entrer le numero d'édition :" default answer ""
    set nedition to text returned of result
    
    set ledossier to name of lechemin
    set isbn to characters 1 thru 3 of ledossier & "-" & character 4 of ledossier & "-" & characters 5 thru 7 of ledossier & "-" & characters 8 thru 12 of ledossier & "-" & lechiffre as text
    set lenomdossier to characters 13 thru -4 of ledossier as text
    
    repeat with i from 1 to count lenomdossier
        if item i of lenomdossier is " " then
            set lenomdossier to items 1 thru (i - 1) of lenomdossier & "-" & items (i + 1) thru -1 of lenomdossier
        end if
    end repeat
    
    set lenomdossier to lenomdossier as text
    set lenomdossier to my remplace(lenomdossier)
    set newnomledossier to isbn & (lenomdossier as text)
    
    set sauv to AppleScript's text item delimiters
    set AppleScript's text item delimiters to {":"}
    set chem to lechemin as string
    set chemin to text items 1 thru -3 of chem as string
    set newchemin to chemin & ":" & newnomledossier
    set AppleScript's text item delimiters to sauv
    
    display dialog newnomledossier
    
    make new folder at chemin with properties {name:newnomledossier}
    make new folder at newchemin with properties {name:newnomledossier & "_fl1"}
    make new folder at newchemin with properties {name:newnomledossier & "_fl2"}
    make new folder at newchemin with properties {name:isbn & "_" & ntablesn & "_" & nedition & "_fl3"}
    make new folder at newchemin & ":" & newnomledossier & "_fl1" with properties {name:"corps-de-livre"}
    make new folder at newchemin & ":" & newnomledossier & "_fl1" with properties {name:"couverture"}
    make new folder at newchemin & ":" & newnomledossier & "_fl2" with properties {name:"corps-de-livre"}
    make new folder at newchemin & ":" & newnomledossier & "_fl2" with properties {name:"couverture"}
    
    
    -- duplique les dossiers
    set lesdossiers to folders of lechemin
    set nb to count lesdossiers
    
    repeat with i from 1 to nb
        duplicate item i of lesdossiers to newchemin & ":" & newnomledossier & "_fl1:couverture"
    end repeat
    repeat with i from 1 to nb
        duplicate item i of lesdossiers to newchemin & ":" & newnomledossier & "_fl2:couverture"
    end repeat
    
    --duplique les fichiers
    set lesfichiers to files of lechemin
    set nb to count lesfichiers
    repeat with i from 1 to nb
        duplicate item i of lesfichiers to newchemin & ":" & newnomledossier & "_fl1:couverture"
    end repeat
    repeat with i from 1 to nb
        duplicate item i of lesfichiers to newchemin & ":" & newnomledossier & "_fl2:couverture"
    end repeat
    -- fin duplique
    
    --duplique le fichier indd
    duplicate lecheminfichierindd to newchemin & ":" & newnomledossier & "_fl2:couverture"
    set lefichierindd to name of lecheminfichierindd
    set nomindd to isbn & "_" & ntablesn & "+2mm_cv_400.indd"
    set lenewcheminfichierindd to newchemin & ":" & newnomledossier & "_fl2:couverture:" & lefichierindd
    set lenewcheminfichierindd to lenewcheminfichierindd as alias
    set name of lenewcheminfichierindd to nomindd
    
    --duplique le fichier CL
    duplicate lecheminfichiercl to newchemin & ":" & newnomledossier & "_fl1:corps-de-livre"
    duplicate lecheminfichiercl to newchemin & ":" & newnomledossier & "_fl2:corps-de-livre"
    
    --duplique le fichier datamatrix
    set ledatamatrix to "Macintosh HD:Utilisateurs:Socprest:Travaux en cours:NOUVEAUTES:GABARITS:DATAMATRIX:DATAMATRIX_.pdf"
    duplicate ledatamatrix to newchemin
    set lenewchemin to newchemin as string
    set lenewchemin to lenewchemin & ":Datamatrix_.pdf"
    set lenewchemin to lenewchemin as alias
    set name of lenewchemin to ("Datamatrix_" & ntablesn & ".pdf")
    --fin duplique datamatrix
    
    --efface fichier original
    set ledossier to quoted form of POSIX path of lechemin
    do shell script "rm -rf " & ledossier
end tell

on remplace(mavar)
    set aremplacer to {39, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90}
    set par to {45, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122}
    set nbar to count aremplacer
    set new to mavar
    
    -- remplace les caractères de la liste
    set nb to count characters in new
    set mavar to new
    
    repeat with i from 1 to nb
        set a to character i in mavar
        set lavaleur to ASCII number a
        repeat with j from 1 to nbar
            if item j of aremplacer is lavaleur then
                set newcar to ASCII character (item j of par)
                if i = 1 then
                    set new to newcar & (text 2 thru nb of new)
                    set avant to ""
                else
                    set avant to text 1 thru (i - 1) of new
                end if
                if i = nb then
                    set new to avant & newcar
                else
                    set new to avant & newcar & text nb thru -(nb - i) of mavar
                end if
            end if
        end repeat
    end repeat
    set mavar to new
end remplace