redhat 六 判断字符 -bash: aa=aa: command not found

redhat 6 判断字符 -bash: aa=aa: command not found
redhat 六 判断字符 -bash: aa=aa: command not found

这是啥问题??一下午各种google没搞定,前来求解脱.
redhat 六 判断字符 -bash: aa=aa: command not found

------解决方案--------------------

if [ "aa" = "aa" ];then echo yeah; fi;

上面不行那你把下面的写到脚本,执行脚本试试

#!/bin/sh
if [ "aa" = "aa" ]
then
echo yeah
fi