Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] crontab - "and' condition
Date: Fri, 19 Sep 2014 07:11:10
Message-Id: 541BD6BA.4070408@gmail.com
In Reply to: Re: [gentoo-user] crontab - "and' condition by Joseph
1 On 19/09/2014 06:21, Joseph wrote:
2 > On 09/18/14 19:14, Alan McKinnon wrote:
3 >> On 18/09/2014 18:44, Joseph wrote:
4 >>> I want to run a cron job only once a month. The problem is the computer
5 >>> is only on on weekdays Mon-Fri. 1-5
6 >>>
7 >>> cron tab as this below is an "or" condition as it has entries in Days of
8 >>> the Months and Day of the Week
9 >>>
10 >>> 5 18 1 * 2 rsync -av ...
11 >>>
12 >>> so it will run on days 1 or Tuesday of each months.
13 >>>
14 >>> Is it possible to create "and" condition, eg. run it on Tuesday between
15 >>> days 1 to 7; depend on which day Tuesday falls on?
16 >>
17 >>
18 >> Not in one line.
19 >>
20 >> Split it into two crontab entries.
21 >
22 > Interesting. How do you split cron job? I couldn't find any examples.
23 >
24
25
26 No wait, that won't work. What you want to accomplish cannot be done
27 with a single crontab job.
28
29 Use periodic/monthly like the other poster said or use anacron so the
30 job will run when the machine is next powered on.
31
32
33 --
34 Alan McKinnon
35 alan.mckinnon@×××××.com

Replies

Subject Author
Re: [gentoo-user] crontab - "and' condition Michael Orlitzky <mjo@g.o>