In AppleScripting, the change to POSIX style basically means editing out colons in favor of forward slashes:
HFS Paths (AppleScript Native): Use colons : as separators and start with the volume name (e.g., "Macintosh HD:Users:chris:Documents:" ).
POSIX Paths (Unix Style): Use forward slashes / as separators and often omit the startup disk name, starting with a leading slash (e.g., "/Users/chris/Documents/" ).
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