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https://issues.apache.org/jira/browse/FLUME-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14153662#comment-14153662
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Roshan Naik commented on FLUME-2473:
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you should be able to accomplish that if you also use the 'shell' option in
exec source. take a look at the example in the user guide.
> Flume exec tail -f date on apache log - unix date formatting
> ------------------------------------------------------------
>
> Key: FLUME-2473
> URL: https://issues.apache.org/jira/browse/FLUME-2473
> Project: Flume
> Issue Type: Question
> Components: Configuration
> Affects Versions: v1.5.0.1
> Environment: CentOS 6.5
> Reporter: Guyle Taber
> Priority: Minor
>
> I'm trying to setup a flume source using the exec type and using tail -F on a
> log file that will be date stamped. The docs indicate typical unix commands
> would work, but date formatting for a file that's name changes each day
> doesn't seem to work.
> agent.sources.apache.command = tail -F
> /usr/local/apache/localhost/logs/access_log.`date +%Y%m%d`
> If I use "tail -F /usr/local/apache/localhost/logs/access_log.`date +%Y%m%d`"
> at the shell it works perfectly, but used inside the flume.conf for this
> source, I get nothing.
> Is there a way to use the unix date formatting in the source definition in
> flume.conf?
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