[X4U] Terminal, Automator or AppleScript

[Bill White]

>> This one-liner will do it in AppleScript:
>>
>> tell application "Finder" to set label index of every item in  
>> entire contents of (choose folder) to 3
>>
>> Note: the "3" here is arbitrary and can be any integer from 0 (no  
>> label) to 7 (gray by default).
>
> Bill, this is very interesting. How do you identify the folder for  
> the command? I've tried every kind of path format I can think of,  
> but nothing is accepted. How do you do it?
>
> Daly

Daly, the "choose folder" AppleScript command will prompt you for the  
folder you want to start with. Simply navigate to it and continue.

Bill