set: Illegal option -解决方案

Q：
终端运行.sh报错：***.sh: 2: set: Illegal option -
A：
solution：Remove trailing \r character that causes this error！

命令：

sed -i 's/\r$//' filename

参考：
https://stackoverflow.com/questions/11616835/r-command-not-found-bashrc-bash-profile/11617204#11617204