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FileReaderRegistry ("FileServices registeredFileReaderClasses")
Last updated at 11:04 pm UTC on 26 March 2017
The current registry for file reader handlers is kept in the OrderedCollection called "FileReaderRegistry".

FileReaderRegistry is a class variable in the class FileServices.

You get access to it by calling
  FileServices registeredFileReaderClasses


Number of classes (Squeak6.0alpha latest update: #17058)
 FileServices registeredFileReaderClasses size 37 
It contains

 an OrderedCollection(ChangeSet AnimatedImageMorph ArchiveViewer BookMorph ChangeList ChangeSorter DummyToolWorkingWithFileList
 EventRecorderMorph FileContentsBrowser FilePackage FileStream Form GZipReadStream GZipWriteStream MCVersionReader 
 Morph NaturalLanguageTranslator ProjectViewMorph SARInstaller ScorePlayerMorph TTCFont TTFontReader Object CornerGripMorph 
 MCMczReader MCMcdReader MCMcmReader InternalTranslator MczInstaller Preferences FileDirectory ScorePlayer XMLDOMParser 
 OggVorbisCodec OggSpeexCodec AnonymousSoundMorph SugarLauncher)

or

 FileServices registeredFileReaderClasses  sorted: [:a :b | a name  b name]
  an OrderedCollection(AnimatedImageMorph
  AnonymousSoundMorph
  ArchiveViewer
  BookMorph
  ChangeList
  ChangeSet
  ChangeSorter
  CornerGripMorph
  DummyToolWorkingWithFileList
  EventRecorderMorph
  FileContentsBrowser
  FileDirectory
  FilePackage
  FileStream
  Form
  GZipReadStream
  GZipWriteStream
  InternalTranslator
  MCMcdReader
  MCMcmReader
  MCMczReader
  MCVersionReader
  MczInstaller
  Morph
  NaturalLanguageTranslator
  Object
  OggSpeexCodec
  OggVorbisCodec
  Preferences
  ProjectViewMorph
  SARInstaller
  ScorePlayer
  ScorePlayerMorph
  SugarLauncher
  TTCFont
  TTFontReader
  XMLDOMParser)