AppleScript and POSIX paths translation

applescript-n-posix-paths.scpt

-- Description:
-- POSIX path uses the slash "/" as the separator. POSIX path looks like Unix style path
-- AppleScript path uses the colon ":" as the separator
-- Read More: http://www.satimage.fr/software/en/smile/external_codes/file_paths.html

-- To translate a UNIX path (file or directory, valid or not) into an AppleScript file reference.
set p to "/usr/local/bin/" 
set a to POSIX file p 
  -- file "Macintosh HD:usr:local:bin:"

-- To translate an AppleScript path (file or directory, valid or not) into a POSIX path.
set a to "Macintosh HD:usr:local:bin:" 
set p to POSIX path of a 
  -- "/usr/local/bin/"

-- POSIX path also understands AppleScript's file references.
set a to alias "Macintosh HD:usr:local:bin:" 
set p to POSIX path of a 
  -- "/usr/local/bin/" 
set a to file "Macintosh HD:usr:local:bin:" 
set p to POSIX path of a 
  -- "/usr/local/bin/"