应该是根据执行者判断
$ ls -l
-rw-r--r-- 1 baozi staff 130 2 19 16:40 some_passwd
$ [ -x some_passwd ] && echo "yes" || echo "no"
no
#给group、other添加x权限，user没有x权限
$ chmod g+x,o+x some_passwd
$ ls -l
-rw-r-xr-x 1 baozi staff 130 2 19 16:40 some_passwd
$ [ -x some_passwd ] && echo "yes" || echo "no"
no
