现在我想在freeBSD中记录所有用户的登录消息,所以我在freeBSD中键入last -f /var/log/utx.log
来查看日志。如何在将命令输出分配给csh中的变量后保留命令输出的格式?
输出格式为: brandboat pts/1 xxx.xxx.xxx.xxx Sat Nov 1 11:28 still logged in brandboat pts/0 xxx.xxx.xxx.xxx Sat Nov 1 11:21 still logged in root ttyv0 Sat Nov 1 11:16 still logged in brandboat pts/1 xxx.xxx.xxx.xxx Sat Nov 1 11:11 - 11:25 (00:13)
我尝试在所有这些消息复制到一个变量: set aaa= `last -f /var/log/utx.log` echo $aaa
输出为:
brandboat pts/1 xxx.xxx.xxx.xxx Sat Nov 1 11:28 still logged in brandboat pts/0 xxx.xxx.xxx.xxx Sat Nov 1 11:21 still logged in root ttyv0 Sat Nov 1 11:16 still logged in brandboat pts/1 xxx.xxx.xxx.xxx Sat Nov 1 11:11 - 11:25 (00:13)
正如你可以看到,它不会保留命令输出中的原始格式。我如何保存在csh?