Re: gnus-agent-fetch in batch mode in a cron job

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Article #916

#916

From: Julien Cubizolles
Date: Fri, 22 Feb 2013 06:10

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wgreenhouse@riseup.net (W. Greenhouse)
writes:

> Hi Julien,
>
> Julien Cubizolles <j.cubizolles@free.fr> writes:
>
>> The subject says it all. I'm fetching news through emacs in batch mode
>> in a cron job but I can't figure out how to get the possible errors
>> through the mails sent by cron.
>>
>> In batch mode emacs output everything that should go to the *Messages*
>> buffer to stderr so cron sends an email each time the job is run, even
>> without any error. I don't want to receive an email when there is no
>> problem. Is there a way to get emacs to send only the error messages to
>> stderr ?
>>
>> Julien.
>
> Yes, this should be a matter of shell redirection.  Cron actually sends
> both stdout and stderr to email, so if you only want stderr, then you
> should redirect stdout to /dev/null.  There isn't a -quiet option or
> similar for Emacs in batch mode, so it's all up to the shell.

>From what I understand Emacs outputs the whole *Messages* buffer to
stdout. So there is nothing the shell can do to sort error messages from
information messages. Is that right ?

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arc1-ca.pugleaf.net!jm3ni25235pbb.0!nntp.google.com!border1.nntp.dca.giganews.com!border1.nntp.ams.giganews.com!border4.nntp.ams.giganews.com!border2.nntp.ams.giganews.com!nntp.giganews.com!news.thorslund.org!news.jacob-sparre.dk!hugin.jacob-sparre.dk!nuzba.szn.dk!pnx.dk!zen.net.uk!dedekind.zen.co.uk!feeder.erje.net!us.feeder.erje.net!news.snarked.org!newsfeed.news.ucla.edu!usenet.stanford.edu!not-for-mail

References: <87liarooj7.fsf@free.fr> <878v6jszx6.fsf@riseup.net>

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From: Julien Cubizolles <j.cubizolles@free.fr>
Newsgroups: gnu.emacs.gnus
Subject: Re: gnus-agent-fetch in batch mode in a cron job
Date: Fri, 22 Feb 2013 07:10:52 +0100
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