Commons IO is a package of Java utility classes for java.io's hierarchy.  
Classes in this package are considered to be so standard and of such high 
reuse as to justify existence in java.io.

Commons IO contains utility classes, stream implementations, file filters, 
and endian transformation classes.


Compatibility with 1.1
----------------------
Binary compatible - Yes

Source compatible - Yes

Semantic compatible - Yes


Deprecations from 1.1
---------------------


Bug fixes from 1.1
------------------
- FileSystemUtils.freeSpace(drive)
  Fix to allow Windows based command to function in French locale

- FileUtils.read*
  Increase certainty that files are closed in case of error

- LockableFileWriter
  Locking mechanism was broken and only provided limited protection [38942]
  File deletion and locking in case of constructor error was broken


Enhancements from 1.1
---------------------
- AgeFileFilter/SizeFileFilter
  New file filters that compare against the age and size of the file

- FileSystemUtils.freeSpaceKb(drive)
  New method that unifies result to be in kilobytes [38574]

- FileUtils.contentEquals(File,File)
  Performance improved by adding length and file location checking

- FileUtils.iterateFiles
  Two new method to provide direct access to iterators over files

- FileUtils.lineIterator
  IOUtils.lineIterator
  New methods to provide an iterator over the lines in a file [38083]

- FileUtils.copyDirectoryToDirectory
  New method to copy a directory to within another directory [36315]