Sebb created IO-384:
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Summary: New FileUtils method to copy file which might increase in
size
Key: IO-384
URL: https://issues.apache.org/jira/browse/IO-384
Project: Commons IO
Issue Type: New Feature
Reporter: Sebb
As mentioned in IO-383, FileUtils.doCopyFile caches the file size.
This means that a growing file (e.g. a log file) may cause the method to report
failure.
It might be useful to have a method which keeps looping until there is no more
input; this should not throw an IOE if the sizes are different.
More data may have been added - or the file truncated - between completing the
copy and checking the size.
The method should return the total bytes written; the caller can then check if
the count is OK.
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