Revised. Much better use of closures, consistent (if manually managed) types for various tag derivers, better handling of error conditions.
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mp_suggest.hy
171
mp_suggest.hy
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@ -1,6 +1,6 @@
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#!/usr/local/bin/hy
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(def *version* "0.0.1")
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(def *version* "0.0.2")
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(require hy.contrib.anaphoric)
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(import eyeD3 os re sys getopt string
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@ -29,7 +29,8 @@
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; Given a set of command-line arguments, compare that to a mapped
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; version of the optlist and return a canonicalized dictionary of all
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; the arguments that have been set.
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; the arguments that have been set. For example "-g" and "--genre"
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; will both be mapped to "genre".
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(defn make-opt-assoc [prefix pos]
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(fn [acc it] (assoc acc (+ prefix (get it pos)) (get it 1)) acc))
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@ -50,16 +51,6 @@
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(let [[seq (.split (.strip s))]]
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(smart_str (string.join (ap-map (.capitalize it) seq) " "))))
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; Assuming the directory name looked like "Artist - Album", return the
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; two names separately. If only one name is here, assume a compilation
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; or mixtape album and default to "VA" (Various Artists).
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(defn artist-album []
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(let [[aa (-> (.getcwd os) (.split "/") (get -1) (.split " - "))]]
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(if (= (len aa) 1)
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(, "VA" (get aa 0))
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(, (.strip (get aa 0)) (.strip (get aa 1))))))
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; A long list of substitutions intended to turn a filename into a
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; human-readable strategy. This operation is the result of weeks
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; of experimentation. Doubt it at your peril! :-)
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@ -75,27 +66,9 @@
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(.sub re "^\W+" "")
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(sfix)))
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; Given a list of mp3s, derive the list of ID3 tags. Obviously,
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; filesystem access is a point of failure, but this is mostly
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; reliable.
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(defn tag-deriver [usefilenames forceartist setartist]
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(defn choose-title [filename title]
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(if usefilenames (title-strategy filename) title))
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(defn choose-artist [artist]
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(if forceartist setartist artist))
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(fn [mp3s]
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(defn derive-tag [pos mp3]
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(try
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(let [[tag (.Tag eyeD3)]]
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(tag.link mp3)
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(, mp3 (str (.getArtist tag)) (str (.getAlbum tag))
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(str (.getGenre tag)) (choose-title mp3 (str (.getTitle tag))) pos))
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(catch [err Exception]
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(, mp3 "" "" "" "" 1))))
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(ap-map (apply derive-tag it) mp3s)))
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; For removing subgenre parentheses. This is why there's the -g option.
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; For removing subgenre parentheses. This is why there's the -g
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; option. Parenthetical sub-genre "commentary" are a pre ID3v2
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; abomination.
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(defn clean-paren [s]
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(if (not (= (.find s "(") -1))
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@ -103,7 +76,8 @@
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s))
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; My FAT-32 based file store via Samba isn't happy with unicode, so
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; this is here...
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; this is here. I had the weirdest time with non-unicode album names,
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; especially when trying to load them onto my old iPod classic.
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(defn is-ascii [s]
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(= (.decode (.encode s "ascii" "ignore") "ascii") s))
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@ -111,6 +85,81 @@
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(defn ascii-or-nothing [s]
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(if (is-ascii s) s ""))
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; Assuming the directory name looked like "Artist - Album", return the
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; two names separately. If only one name is here, assume a compilation
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; or mixtape album and default to "VA" (Various Artists).
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(defn artist-album []
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(let [[aa (-> (.getcwd os) (.split "/") (get -1) (.split " - "))]]
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(if (= (len aa) 1)
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(, "VA" (sfix (get aa 0)))
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(, (sfix (.strip (get aa 0))) (sfix (.strip (get aa 1)))))))
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; Priorities:
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;
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; Artist:
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; (1) Command Line
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; (2) Command Line UseDir
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; (3) In Existing Tag
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; (4) Found Dir
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;
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; Album:
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; (1) Command line
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; (2) Command Line UseDir
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; (3) Found-Likely
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; (4) Found Dir
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;
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; Genre:
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; (1) Command Line
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; (2) Found-Likely
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;
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; Title:
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; (1) Command Line UseDir
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; (1) In Existing Tag
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; (2) Derived From Filename
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(defn make-artist-deriver [opts found likely]
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(cond [(.has_key opts "artist") (fn [tag file] (get opts "artist"))]
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[(.has_key opts "usedir") (fn [tag file] found)]
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[true (fn [tag file] (or tag (sfix found) (sfix likely)))]))
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(defn make-album-deriver [opts found likely]
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(cond [(.has_key opts "album") (fn [tag file] (get opts "album"))]
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[(.has_key opts "usedir") (fn [tag file] found)]
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[true (fn [tag file] (or (ascii-or-nothing likely) (sfix found)))]))
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(defn make-genre-deriver [opts found likely]
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(cond [(.has_key opts "genre") (fn [tag file] (get opts "genre"))]
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[true (fn [tag file] likely)]))
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(defn make-title-deriver [opts found likely]
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(cond [(.has_key opts "usefilename") (fn [tag file] (title-strategy file))]
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[true (fn [tag file] (or tag (title-strategy file)))]))
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; Given a list of mp3s, derive the list of ID3 tags. Obviously,
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; filesystem access is a point of failure, but this is mostly
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; reliable.
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(defn fetch-tags [mp3s]
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(defn fetch-tag [pos mp3]
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(try
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(let [[tag (.Tag eyeD3)]]
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(tag.link mp3)
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(, mp3 (str (.getArtist tag)) (str (.getAlbum tag))
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(str (.getGenre tag)) (str (.getTitle tag)) pos))
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(catch [err Exception]
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(, mp3 "" "" "" "" 1))))
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(ap-map (apply fetch-tag it) mp3s))
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(defn derive-tags [mp3s artist-deriver album-deriver genre-deriver title-deriver]
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(defn derive-tag [mp3]
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(let [[file (get mp3 0)]]
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(, (get mp3 0) (artist-deriver (get mp3 1) file) (album-deriver (get mp3 2) file)
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(genre-deriver (get mp3 3) file) (title-deriver (get mp3 4) file) (get mp3 5))))
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(ap-map (derive-tag it) mp3s))
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; For all the songs, analyze a consist entry (usually genre and album
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; names), and return the one with the most votes.
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@ -129,50 +178,42 @@
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(get (get cts 0) 1))))
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(defn suggest [opts]
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(let [[(, loc_artist loc_album) (artist-album)]
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[artist
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(cond [(.has_key opts "artist") (get opts "artist")]
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[true (sfix loc_artist)])]
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(let [[(, local-artist local-album) (artist-album)]
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[mp3s
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(->> (os.listdir ".")
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(ap-filter (and (> (len it) 4) (= (slice (.lower it) -4) ".mp3")))
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(sorted)
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(enumerate)
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((tag-deriver (.has_key opts "usefilename") (.has_key opts "artist") artist))
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(list))]
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(fetch-tags)
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(list)
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)]
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[genre
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(if (.has_key opts "genre")
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(get opts "genre")
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(clean-paren (find-likely (map (fn [m] (get m 3)) mp3s))))]
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[likely-genre (sfix (clean-paren (find-likely (map (fn [m] (get m 3)) mp3s))))]
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[likely-album (sfix (find-likely (map (fn [m] (get m 2)) mp3s)))]
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[likely-artist (sfix (find-likely (map (fn [m] (get m 1)) mp3s)))]
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[pos_album
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(ascii-or-nothing
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(find-likely
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(map (fn [m] (get m 2)) mp3s)))]
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[artist-deriver (make-artist-deriver opts local-artist likely-artist)]
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[album-deriver (make-album-deriver opts local-album likely-album)]
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[genre-deriver (make-genre-deriver opts "" likely-genre)]
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[title-deriver (make-title-deriver opts "" "")]
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[album
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(cond
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[(.has_key opts "album") (get opts "album")]
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[(not (= "" pos_album)) pos_album]
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[true (sfix loc_album)])]
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[newmp3s (derive-tags mp3s artist-deriver album-deriver genre-deriver title-deriver)]
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[format-string
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(string.join ["id3v2 -T \"{}\""
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"--album \"{}\""
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"--artist \"{}\""
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"--album \"{}\""
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"--genre \"{}\""
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"--song \"{}\""
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"\"{}\""] " ")]]
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(ap-each mp3s
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(ap-each newmp3s
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(print (.format format-string
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(get it 5)
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album
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(if (get it 1) (get it 1) (sfix loc_artist))
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genre
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(get it 1)
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(get it 2)
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(get it 3)
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(get it 4)
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(get it 0))))))
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@ -195,11 +236,7 @@
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(cond [(.has_key options "help") (print-help)]
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[(.has_key options "version") (print-version)]
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[true (suggest options)]))))
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[true (suggest options)]))
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(catch [err Exception]
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(print (str err))
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(print-help))))
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