unary operator expected

在centos系统从root用户切换到oracle用的时候,总是提示 :

-bash- : :[: unary operator expected


能切换成功,就是总提示上面这个,

后来找到原因,在安装oracle软件的时候,曾在/etc/profile文件里设置如下内容:

if [$user = "oracle"]; then
if [$SHELL = "/bin/ksh"]; then
ulimit -p 16384 ulimit -n 65536
else ulimit -u 16384 -n 65536
fi
fi


修改成如下,问题不再出现:

if [[$user = "oracle"]]; then
if [[$SHELL = "/bin/ksh"]]; then
ulimit -p 16384 ulimit -n 65536
else ulimit -u 16384 -n 65536
fi
fi





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