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
set: Illegal option -解决方案
原文：https://www.cnblogs.com/RubyYoung/p/14774680.html
