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https://issues.apache.org/jira/browse/IO-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb updated IO-316:
--------------------
Issue Type: New Feature (was: Bug)
> New API: BackupFileWriter
> -------------------------
>
> Key: IO-316
> URL: https://issues.apache.org/jira/browse/IO-316
> Project: Commons IO
> Issue Type: New Feature
> Components: Streams/Writers
> Affects Versions: 2.1
> Reporter: Aaron Digulla
> Priority: Minor
>
> Add the new file based I/O class {{BackupFileWriter}} with the following
> properties:
> - Saves the file to a temporary name
> - Creates backup of existing file on {{close()}}
> - Renames temp file to desired name on {{close()}}
> The backup strategy (number of backups, backup file name) should be pluggable.
> There should also be a hook to compare the temporary and the existing file
> and do the rename only when they are different. The default hook should
> always replace the file.
> It should also be possible to override the temporary file name (including the
> path, so the temp file can be in the same directory or a different one or
> even on a different disk).
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