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I'm trying to find a way to add a keyword or group of words/tags/strings to a set of selected iTunes tracks if they haven't been added. A use-case would be to add extra metadata in a comment such as (live) or (remix).

If some tracks previously contained (live) while appending, then it would not append it- only the non-matched files. So a comment tag containing (remix)(fast)(accordion)(random) would become (remix)(fast)(accordion)(random)(live) afterwards. However, if reapplied, it would skip this track.

The closest thing I can find is Smart Append, but its for Windows only (being JavaScript).

The well known Doug has an append to tag script, but it doesn't have any detection capabilities. I peeked into the code (by right click > Show Package Contents) and can't seem to wrap my head around editing the script.

Anyone know of an existing script or a way to modify the existing script?

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1 Answer 1

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This script works if the keyword is between parentheses as in your example, otherwise partial match will be a problem. Example : "fast" match "faster"

property matchCase : true -- or false -- change according to your needs 

set myTitle to "Append to Comments Tag, if the keyword not exists"
set keywordSeparator to ";" -- keyword separator

tell application "iTunes"
    set sel to selection
    if sel is not {} then -- if tracks are selected...
        set s to "s"
        set x to (length of sel)
        if x is 1 then set s to ""
        set be to (display dialog "Enter keyword to append to the beginning or ending of each selected track's Comments tag:" & return & return & " If more than one keyword, use this character " & keywordSeparator & " as separator." default answer "" buttons {"Cancel", "Beginning", "Ending"} cancel button 1 with title myTitle)
        set appendage to text returned of be
        set buttonOpt to button returned of be is equal to "Ending"
        if appendage is "" then return
        set listOfAppendage to my makeListOfKeywords(keywordSeparator, appendage)
        set oldfi to fixed indexing
        set fixed indexing to true
        repeat with t from 1 to x
            tell contents of item t of sel
                try
                    set tresult to my checkExistKeywords(comment, listOfAppendage, buttonOpt)
                    if tresult is not false then set comment to tresult
                end try
            end tell
        end repeat
        set fixed indexing to oldfi
        activate
        display dialog "Done!" buttons {"OK"} default button 1 with icon 1 with title myTitle giving up after 4
    else
        activate
        display dialog "You must select some tracks first." buttons {"Cancel"} default button 1 with title myTitle
    end if
end tell

on checkExistKeywords(tagValue, tKeywords, tOpt)
    set isAdding to false
    repeat with tKey in tKeywords
        if matchCase then
            considering case
                contents of tKey is not in tagValue
            end considering
        else --Ignore Case
            contents of tKey is not in tagValue
        end if
        if the result then -- no match
            set isAdding to true
            if tOpt then
                set tagValue to tagValue & tKey
            else
                set tagValue to tKey & tagValue
            end if
        end if
    end repeat
    if isAdding then return tagValue
    return false -- nothing to add
end checkExistKeywords

on makeListOfKeywords(tofind, t)
    set ditd to text item delimiters
    set text item delimiters to tofind
    set t to text items of t
    set text item delimiters to ditd
    return t
end makeListOfKeywords
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