1

编码:

`cat <(fgrep -i -v "$DAEMON_TEST" <(sudo -u asm crontab -l)) <(echo "$CRON") | sudo -u asm crontab -`

错误:

command substitution: line 46: syntax error near unexpected token `('
/etc/init.d/asm: command substitution: line 46: `cat <(fgrep -i -v "$DAEMON_TEST" <(sudo -u asm crontab -l)) <(echo "$CRON") | sudo -u asm crontab -'

通过用相关字符串替换变量直接运行到 shell 时,该命令运行良好

以下是变量:

DAEMON_TEST=asm_test.php
CRON="*/15 * * * * /opt/asm/daemons/test.php"
4

1 回答 1

1

这个问题最终完全无关。

改变:

#/bin/sh

到:

#/bin/bash

我从来没有意识到会有不同

https://superuser.com/questions/125728/what-is-the-difference-between-bash-and-sh

于 2012-01-26T10:22:52.280 回答