how to add stuff to crontab without using crontab -e
Cameron Simpson
cs at zip.com.au
Mon Apr 13 03:35:59 UTC 2009
On 12Apr2009 20:23, Antonio Olivares <olivares14031 at yahoo.com> wrote:
| I want to know if it is possible to edit/append to crontab without
| using crontab -e. I have about 10 machines running Fedora and at the end
| of the day I have to manually power them off (shutdown). For a while,
| I started thinking about it, well I can make a crontab to shutdown the
| machines at a certain time:
Something like:
#!/bin/sh
set -ue
tmp=/tmp/crontab$$
crontab -l >"$tmp"
echo "15 16 * * 1-5 /usr/bin/poweroff >/dev/null 2>&1' >>"$tmp"
crontab "$tmp"
rm "$tmp"
maybe? Untested, but you get the idea I'm sure.
Cheers,
--
Cameron Simpson <cs at zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/
I distrust a research person who is always obviously busy on a task.
- Robert Frosch, VP, GM Research
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