[chinqie]

So I used Script Editor to make an AppleScript to make a copy of my iTunes 4 Music Library data file (you know how devastating it can be when the file is corrupted and you lose all your playlists and ratings and stuff like that). Thing is, I don't know what's wrong with it...

tell application "Finder"
duplicate "~/Music/iTunes/iTunes 4 Music Library"
["~/Documents"]
end tell

[car1son]

I use (excerpt)

code:
tell application "Finder"

  set dateSuffix to (do shell script "/bin/date +%Y-%m-%d")

  set BuDiskName to "FirebaseOne"

  set BuFolderName to ("Small BackUp " & dateSuffix)

  set diskName to "Macintosh HD"

  set bcFolder to folder "bc" of folder "Users" of disk diskName

  -- Make new folder for today's Mini Backup

  make new folder at folder "Mini Backups" of disk BuDiskName with properties {name:BuFolderName}

  -- iTunes library

  duplicate file "iTunes 4 Music Library" of folder "iTunes" of folder "Music" of bcFolder to  folder BuFolderName of disk BuDiskName

  duplicate file "iTunes Music Library.xml" of folder "iTunes" of folder "Music" of bcFolder to folder BuFolderName of disk BuDiskName

end tell

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Addendum:
(That above may be more complex than you want, since it makes a separate backup folder for each day.) Probably a simpler case from my Powerbook's import script:

code:
 tell application "Finder"

duplicate file "iTunes 4 Music Library" of folder "iTunes" of folder "Music" of disk "remoteHome" to folder "iTunes" of folder "Music" of folder "car1son" of folder "Users" of disk "Exile" with replacing

end tell 

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The "with replacing" addition to the duplicate command lets it replace the existing copy with the new one.