Thank you. This script only work on regular enviroment like sh, ksh and bash. When I put on cron job I got error message:
/bin/sh: -c: line 0: unexpected EOF while looking for matching `''
any ideal (CENTOS 4 and 5)?
--- 10/1/5 (二),John R Pierce pierce@hogranch.com 寫道:
寄件者: John R Pierce pierce@hogranch.com 主旨: Re: [CentOS] setup schedule cron job every other week? 收件者: "CentOS mailing list" centos@centos.org 日期: 2010年1月5日,二,下午7:18 mcclnx mcc wrote:
We have CENTOS 5 on DELL server. I tried to
setup schedule cron job to run every other week on Saturday (NOT first and third week ).
lets see...
date +'%U'
returns the week number of the year, 00-51... and (( expression )) evaluates arithmetic expressions, returning 'true' if they are non-zero. weeknumber & 1 will be 0 for even weeks and 1 for odd weeks.
So... set up your cron job to run every Saturday, and in the beginning of the job script, do something like...
(( $(date +'%V') & 1 )) && exit
which will exit if the week of the year is even. or, in the front of your crontab line, something like....
30 1 * * 6 (($(date +'%V')&1)) && command-you-want-to-execute-on-even-weeks
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