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update docs w/ backup format info

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Nate Finch
2016-11-04 09:48:45 -04:00
parent e21e5cbec0
commit dd45e6a67c
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README.md
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@@ -87,6 +87,14 @@ the current file is closed, renamed, and a new log file created with the
original name. Thus, the filename you give Logger is always the "current" log
file.
Backups use the log file name given to Logger, in the form `name-timestamp.ext`
where name is the filename without the extension, timestamp is the time at which
the log was rotated formatted with the time.Time format of
`2006-01-02T15-04-05.000` and the extension is the original extension. For
example, if your Logger.Filename is `/var/log/foo/server.log`, a backup created
at 6:30pm on Nov 11 2016 would use the filename
`/var/log/foo/server-2016-11-04T18-30-00.000.log`
### Cleaning Up Old Log Files
Whenever a new logfile gets created, old log files may be deleted. The most
recent files according to the encoded timestamp will be retained, up to a