Xattr - Revision history

Dave at 19:36, 20 April 2016

2016-04-20T19:36:11Z

Dave at 17:28, 29 September 2011

2011-09-29T17:28:04Z

← Older revision		Revision as of 17:28, 29 September 2011
Line 1:		Line 1:
	Xattr tags are "eXtended ~~Attribute~~" tags, which is a feature of ~~system~~ 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/apple/reviews/2005/04/macosx-10-4.ars/7 Ars Techica] article on it.		Xattr tags are "eXtended ATTRibute" tags, which is a feature of MacOS 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/apple/reviews/2005/04/macosx-10-4.ars/7 Ars Techica] article on it.

	Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:		Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:
Line 35:		Line 35:
	CM_Key_SORT_INDEX = 'stIx', // int		CM_Key_SORT_INDEX = 'stIx', // int
	CM_Key_DUET = 'Duet', // bool		CM_Key_DUET = 'Duet', // bool
			CM_Key_BITRATE = 'bRat', // string

	~~CM_Key_BITRATE = 'bRat', // string~~

	~~CM_Key_DOWNLOAD = 'dl ', // bool~~
	~~CM_Key_STREAM = 'strm', // bool~~
	~~CM_Key_TIER = 'Tier', // string~~

	CM_Key_TWIRLED = 'Twrl', // bool		CM_Key_TWIRLED = 'Twrl', // bool
	CM_Key_LANGUAGE = 'Lang', // string		CM_Key_LANGUAGE = 'Lang', // string
Line 66:		Line 61:
	CM_Key_FORMAT = 'Frmt', // string		CM_Key_FORMAT = 'Frmt', // string
	CM_Key_COPY_META_FLAGS = 'cMfl', // int, based on CM_Key_FORMAT		CM_Key_COPY_META_FLAGS = 'cMfl', // int, based on CM_Key_FORMAT

	~~CM_Key_SOURCE = 'SRCE',~~

	CM_Key_TRACK = 'trak', // int		CM_Key_TRACK = 'trak', // int
Line 93:		Line 86:
	CM_Key_MISSING = 'Msng', // bool		CM_Key_MISSING = 'Msng', // bool
	CM_Key_SINGER_PASS = 'Spas', // string		CM_Key_SINGER_PASS = 'Spas', // string

	CM_Key_PRODUCER_DICT = 'prod', // dictinary		CM_Key_PRODUCER_DICT = 'prod', // dictinary
	CM_Key_MEDIA_STREAM = 'meSt', // dictinary		CM_Key_MEDIA_STREAM = 'meSt', // dictinary

			CM_Key_SONG_NO_SYNCED_LYRICS = 'sNSL', // bool

	CM_Key_SONGWRITER = 'swrt', // string		CM_Key_SONGWRITER = 'swrt', // string
Line 110:		Line 106:

	CM_Key_SONG_SLIP = 'Slip', // int		CM_Key_SONG_SLIP = 'Slip', // int
	~~CM_Key_CAVS_TYPE = 'cavT', // int~~
	~~CM_Key_CAVS_DATA = 'cavD', // cfdata~~

	CM_Key_FSRef_0_AUDIO = 'Sfs0', // CData::ValType_FILEREF		CM_Key_FSRef_0_AUDIO = 'Sfs0', // CData::ValType_FILEREF
Line 131:		Line 125:
	CM_Key_STORE_URL = 'sURL', // string		CM_Key_STORE_URL = 'sURL', // string
	CM_Key_STORE_ID = 'stor', // long		CM_Key_STORE_ID = 'stor', // long

	CM_Key_SAMPLE = 'Smpl', // string		CM_Key_SAMPLE = 'Smpl', // string
	~~CM_Key_STREAMING_URL = 'stmR', // string~~
	CM_Key_PRICE_USD = 'pUSD', // string		CM_Key_PRICE_USD = 'pUSD', // string
	~~CM_Key_PRICE_USD_FREE = 'USDf',~~
	~~CM_Key_PRICE_USD_STREAM = 'USDs',~~
	~~CM_Key_PRICE_USD_BUY_STREAM = 'USDb',~~
	CM_Key_PURCHASE_CODE = 'pTRI', // string		CM_Key_PURCHASE_CODE = 'pTRI', // string
	CM_Key_PURCHASED = 'purc', // bool		CM_Key_PURCHASED = 'purc', // bool
	~~CM_Key_MUST_COMPLETE_PURCHASE = 'CplP', // bool~~
	~~CM_Key_PLAY_AFTER_PURCHASE = 'PlaP', // bool~~
	CM_Key_STORE_SONG_ID = 'SsID', // long		CM_Key_STORE_SONG_ID = 'SsID', // long
	CM_Key_SONG_PAGE_URL = 'spRL', // string		CM_Key_SONG_PAGE_URL = 'spRL', // string
			CM_Key_DOWNLOAD = 'dl ', // bool
	~~CM_Key_SONG_NO_SYNCED_LYRICS~~ = '~~sNSL~~', // bool		CM_Key_STREAM = 'strm', // bool
			CM_Key_STREAMING_URL = 'stmR', // string
			CM_Key_TIER = 'Tier', // string
	};		};
	</pre>		</pre>

	For compatibility with 10.3 I'm using a standard plist sidecar file (XML) with the ".xattr" extension, which can be easily edited with any [http://www.barebones.com/products/bbedit/ text editor], [http://donkeydevelopment.com/ XML editor], or [http://www.fatcatsoftware.com/plisteditpro/ plist editor].		For compatibility with 10.3 I'm using a standard plist sidecar file (XML) with the ".xattr" extension, which can be easily edited with any [http://www.barebones.com/products/bbedit/ text editor], [http://donkeydevelopment.com/ XML editor], or [http://www.fatcatsoftware.com/plisteditpro/ plist editor].

Dave at 20:50, 24 September 2011

2011-09-24T20:50:18Z

Show changes

Dave at 16:37, 13 July 2010

2010-07-13T16:37:12Z

← Older revision		Revision as of 16:37, 13 July 2010
Line 1:		Line 1:
	Xattr tags are "eXtended Attribute" tags, which is a feature of system 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/reviews/os/macosx-10.4.ars/7 Ars Techica] article on it.		Xattr tags are "eXtended Attribute" tags, which is a feature of system 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/apple/reviews/2005/04/macosx-10-4.ars/7 Ars Techica] article on it.

	Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:		Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:

Dave at 19:30, 24 May 2008

2008-05-24T19:30:45Z

← Older revision		Revision as of 19:30, 24 May 2008
Line 3:		Line 3:
	Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:		Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:

	[oxford:kj/media/bin] davec% xattr -~~-list~~ "Rave On.bin"		[oxford:kj/media/bin] davec% xattr -l "Rave On.bin"
	Rave On.bin		Rave On.bin
	com.meta.albm Unknown Album		com.meta.albm Unknown Album

Dave at 03:50, 23 April 2008

2008-04-23T03:50:10Z

← Older revision		Revision as of 03:50, 23 April 2008
Line 1:		Line 1:
	Xattr tags are "eXtended Attribute" tags, which is a feature of system 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/reviews/os/macosx-10.4.ars/7 Ars Techica] article on it.		Xattr tags are "eXtended Attribute" tags, which is a feature of system 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/reviews/os/macosx-10.4.ars/7 Ars Techica] article on it.

	Anyway I use xattr tags currently on all QuickTime compatible files that do not have the ".mov" extension, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:		Anyway I use xattr tags currently on all QuickTime compatible files <strike>that do not have the ".mov" extension</strike>, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:

	[oxford:kj/media/bin] davec% xattr --list "Rave On.bin"		[oxford:kj/media/bin] davec% xattr --list "Rave On.bin"

Dave at 03:13, 14 March 2008

2008-03-14T03:13:55Z

@@ Line 16: / Line 16: @@
 Note: It's a very simple format, I'm just using QuickTime “Common Key Format” tag names (from Movies.h) as the keys (prepended with "com.meta.").  I've added a few others:
- enum {
+<pre>
   	kQTMetaDataCommonKeyTrack		=	'trak',
   	kQTMetaDataCommonKeyCreationDate	=	'crdt',
   	kQTMetaDataCommonKeyDuration		=	'drtn'
- enum {
+	CM_Key_NAME			= kQTMetaDataCommonKeyDisplayName,	//	'name',
- 	CM_Key_KEYWORDS			= kQTMetaDataCommonKeyKeywords,	//	string
+	CM_Key_ARTIST			= kQTMetaDataCommonKeyArtist,		//	'arts',
- 	CM_Key_INDEX			= 'INDX',	//	check
+	CM_Key_ALBUM			= kQTMetaDataCommonKeyAlbum,		//	'albm',
- 	CM_Key_DUET			= 'duet',	//	check
+	CM_Key_GENRE			= kQTMetaDataCommonKeyGenre,		//	'genr',
- 	CM_Key_KEY			= 'keyc',	//	popup
+	CM_Key_COMMENT			= kQTMetaDataCommonKeyComment,		//	'cmmt',
- 	CM_Key_VOCAL_CHANNEL		= 'vocl',	//	popup
+	CM_Key_KEYWORDS			= kQTMetaDataCommonKeyKeywords,	//	string
- 	CM_Key_SUNG			= 'tsng',	//	integer, times sung
+	CM_Key_SOFTWARE			= kQTMetaDataCommonKeySoftware,	//	string
- 	CM_Key_VOLUME			= 'volm',	//	float
- 	CM_Key_LAST_SUNG		= 'lsng',	//	date
+	CM_Key_AlbumDict		= 'LDct',	//	list of albums for popup menu, including default index value
- 	CM_Key_RATING			= 'rtng'	//	well, obviously
+	CM_Key_PLI_INDEX		= 'piIx',	//	int
- };
+	CM_Key_SORT_INDEX		= 'stIx',	//	int
 For compatibility with 10.3 I'm using a standard plist sidecar file (XML) with the ".xattr" extension, which can be easily edited with any [http://www.barebones.com/products/bbedit/ text editor], [http://donkeydevelopment.com/ XML editor], or [http://www.fatcatsoftware.com/plisteditpro/ plist editor].

Dave at 19:23, 17 April 2007

2007-04-17T19:23:38Z

← Older revision		Revision as of 19:23, 17 April 2007
Line 34:		Line 34:
	};		};

	For compatibility with 10.3 I'm using a standard plist sidecar file (XML) with the ".xattr" extension.		For compatibility with 10.3 I'm using a standard plist sidecar file (XML) with the ".xattr" extension, which can be easily edited with any [http://www.barebones.com/products/bbedit/ text editor], [http://donkeydevelopment.com/ XML editor], or [http://www.fatcatsoftware.com/plisteditpro/ plist editor].

Dave at 19:42, 24 March 2007

2007-03-24T19:42:31Z

← Older revision		Revision as of 19:42, 24 March 2007
Line 33:		Line 33:
	CM_Key_RATING = 'rtng' // well, obviously		CM_Key_RATING = 'rtng' // well, obviously
	};		};

			For compatibility with 10.3 I'm using a standard plist sidecar file (XML) with the ".xattr" extension.

Dave at 20:50, 6 March 2007

2007-03-06T20:50:07Z

← Older revision		Revision as of 20:50, 6 March 2007
Line 1:		Line 1:
	Xattr tags are "eXtended Attribute" tags, which is a feature of system 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/reviews/os/macosx-10.4.ars/7 Ars Techica] article on it.		Xattr tags are "eXtended Attribute" tags, which is a feature of system 10.4 or later. They're like "spotlight comments" in that they are a type of meta tagging facility built into the file system when seen thru the lense of the Mac OS. (they also work on FAT32 volumes with the "._" prefixed sidecar file). For the most fantastic explanation ever, see the [http://arstechnica.com/reviews/os/macosx-10.4.ars/7 Ars Techica] article on it.

	Anyway I use xattr tags currently on all QuickTime compatible files that do not have the ".mov" extension.		Anyway I use xattr tags currently on all QuickTime compatible files that do not have the ".mov" extension, and also on zip files so i do not need to open the zip to get at the tagging info. Here is what my xattr looks like:

			[oxford:kj/media/bin] davec% xattr --list "Rave On.bin"
			Rave On.bin
			com.meta.albm Unknown Album
			com.meta.arts Buddy Holly
			com.meta.crdt 2006
			com.meta.genr Rock
			com.meta.name Rave On
			com.meta.soft kJams Pro 1.0d45r21
			com.meta.trak 1
			[oxford:kj/media/bin] davec%

			Note: It's a very simple format, I'm just using QuickTime “Common Key Format” tag names (from Movies.h) as the keys (prepended with "com.meta."). I've added a few others:

			enum {
			kQTMetaDataCommonKeyTrack = 'trak',
			kQTMetaDataCommonKeyCreationDate = 'crdt',
			kQTMetaDataCommonKeyDuration = 'drtn'
			};

			enum {
			CM_Key_KEYWORDS = kQTMetaDataCommonKeyKeywords, // string
			CM_Key_INDEX = 'INDX', // check
			CM_Key_DUET = 'duet', // check
			CM_Key_KEY = 'keyc', // popup
			CM_Key_VOCAL_CHANNEL = 'vocl', // popup
			CM_Key_SUNG = 'tsng', // integer, times sung
			CM_Key_VOLUME = 'volm', // float
			CM_Key_LAST_SUNG = 'lsng', // date
			CM_Key_RATING = 'rtng' // well, obviously
			};