Rob Hudson said the following on 06/24/2005 10:19 AM:
Neil Parker wrote:
Rob Hudson wrote,
How does one disable the output of certain cron jobs? I have some
backup scripts running and other things and don't need to see all of
that stuff in an email. Can I silently discard the output of those
scripts that run?
The incantation I usually use is this:
myscript.sh >/dev/null 2>&1
where "myscript.sh" is the script to be run by the cron job. This goes in
the crontab file, in the "command to be run" field.
The ">/dev/null" discards the standard output, and "2>&1" says to send the
standard error to the same place as the standard output.
That's the one I'm used to seeing. Thanks for the explanation. &1 I
guess can be thought of as a reference to where stdout is going.
Thanks,
Rob
> and 1> mean redirect stdout
2> means redirect stderr
>&1 means merge the stream into stdout
So 2>&1 means merge stderr into stdout. You can then do
whatever you want with stdout.
--
Allen Brown
work: Agilent Technologies non-work: http://www.peak.org/~abrown/
[EMAIL PROTECTED] [EMAIL PROTECTED]
Everything should be made as simple as possible, but no simpler.
---Albert Einstein
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