suffix per sript ändern

NEWSUF="DIENEUEDATEIENDUNG"; for FILE in ./*; do bn=`basename $FILE`; name=`echo $bn | awk -F'.' '{print $1}'`; suf=`echo $bn | awk -F'.' '{print $2}'`; if [ ! -d new ]; then mkdir new; fi; cp $FILE ./new/$name.$NEWSUF; done

set otid to text item delimiters
set text item delimiters to "."
set newSuffix to ".xxx"
set f to choose folder
tell application "Finder"
	set theFiles to every item of f
	repeat with aFile in theFiles
		set n to name of aFile
		set n to text item 1 of n
		set newName to n & newSuffix
		set name of aFile to newName
	end repeat
end tell
set text item delimiters to otid

set altesSuffix to ""
set neuesSuffix to ""


tell application "Finder"
	
	
	set sel to selection
	
	if sel is {} then
		display dialog "Bitte die Files makieren." buttons {" OK "} default button 1 with icon 2
	else
		
		display dialog "Altes Suffix angeben!" default answer "z.B: .txt" buttons {"OK"} default button 1 with icon note
		set altesSuffix to text returned of result
		
		display dialog "Neues Suffix angeben!" default answer "z.B: .text" buttons {"OK"} default button 1 with icon note
		set neuesSuffix to text returned of result
		
		
		
		repeat with nextesFile in sel
			try
				set holeNamen to name of nextesFile
				set AppleScript's text item delimiters to altesSuffix
				set nameTeilListe to text items of holeNamen
			end try
			
			try
				set namePraefix to first item of nameTeilListe
				set neuerName to namePraefix & neuesSuffix
				set anzahl to count of nameTeilListe
				
				if (anzahl > 2) then
					display dialog "Das Dokument " & holeNamen & " ist nicht eindeutig. Es scheint mehrere Suffixe zu enthalten." buttons {" OK "} default button 1 with icon stop giving up after 1
					
				end if
			end try
			
			try
				with timeout of 1 seconds
				set name of nextesFile to neuerName
				end timeout
			on error
				display dialog "Das Dokument " & holeNamen & " konnte nicht umbennant werden." buttons {" OK "} default button 1 with icon stop giving up after 1
			end try
			
		end repeat
		
	end if
	
end tell