bash CRONTAB 语法错误
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时间:2020-09-18 00:36:11 来源:igfitidea点击:
CRONTAB syntax error
提问by DocWiki
Herer is my CRONTAB file (Ubuntu 10.10):
这是我的 CRONTAB 文件(Ubuntu 10.10):
57 1 * * 2-6 ET=`date --date 'yesterday'+%Y%m%d`;echo $ET
Even The syntax color indicate that something is wrong. and there is this error:
甚至语法颜色表明有问题。并且有这个错误:
Subject: Cron <root> ET=`date --date 'yesterday' + (failed)
Content-Type: text/plain; charset=ANSI_X3.4-1968
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/root>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=root>
/bin/sh: Syntax error: EOF in backquote substitution
But I am not sure whats wrong. Thanks a lot!
但我不确定出了什么问题。非常感谢!
回答by brightlancer
Cron needs to escape the % sign - http://www.hcidata.info/crontab.htm
Cron 需要转义 % 符号 - http://www.hcidata.info/crontab.htm
Try it with a backslash:
用反斜杠试试:
57 1 * * 2-6 ET=`date --date 'yesterday' +\%Y\%m\%d`;echo $ET

