/bin/sh^M:bad interpreter: No such file or directory

bash脚本：/bin/sh^M:bad interpreter: No such file or directory
 
dos2unix 实际上就是把文本文件中面的^M删除
用SHELL 写了一个简单的样例  发生例如以下错误 
-bash: ./test.sh: /bin/bash^M: bad interpreter: No such file or directory 
解决方法:
2.能够用运行dos2unix 命令转换编码 
lizhitao@users-MacBook-Pro:~/Downloads$ dos2unix  -d2u myshell.sh