Retrieve Directory File List in Timestamp Order
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Key: IO-142
URL: https://issues.apache.org/jira/browse/IO-142
Project: Commons IO
Issue Type: New Feature
Components: Utilities
Environment: Java SE 5 - Windows, Linux
Reporter: Al Scherer
I searched your current Commons-IO issues/feature requests and did not find the
following so I'd like to propose it as a feature request.
Given a filename filter and dir name, the method would return a List<File> of
the files that match the filter in last-modified timestamp order.
Sun explicitly does not provide this functionality - from the Sun Java SE 5 API
Javadocs, File's listFiles() method descriptions include the following
disclaimer:
"There is no guarantee that the name strings in the resulting array
will appear in any specific order; they are not, in particular, guaranteed to
appear in alphabetical order."
I needed the files in last-modified order so I wrote code to do it and would be
glad to share the code with the commons project if you feel it would be useful.
The signature is:
- public List<File> getFileListInTimestampOrder(FilenameFilter filter, String
dirName)
I've already written, tested and used code to do this.
There are additional flavors that might be worthwhile, too.
- public List<File> getFileListInTimestampOrderReversed(FilenameFilter filter,
String dirName)
- public List<File> getFileListInNameOrder(FilenameFilter filter, String
dirName)
- public List<File> getFileListInNameOrderReversed(FilenameFilter filter,
String dirName)
BTW, I originally posted this on commons-lang but was given feedback that it
might be a better fit here.
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