[jira] [Resolved] (IO-384) New FileUtils method to copy file which might change in size

["Gary D. Gregory (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IO-384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary D. Gregory resolved IO-384.
--------------------------------
    Fix Version/s: 2.16.0
       Resolution: Fixed

This has been fixed at some point in the past few years.

> New FileUtils method to copy file which might change in size
> ------------------------------------------------------------
>
>                 Key: IO-384
>                 URL: https://issues.apache.org/jira/browse/IO-384
>             Project: Commons IO
>          Issue Type: New Feature
>            Reporter: Sebb
>            Priority: Major
>             Fix For: 2.16.0
>
>
> 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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