be careful with "bash -ex"
2016-08-31 07:32 三犬风 阅读(920) 评论(0) 编辑 收藏 举报http://tldp.org/LDP/abs/html/options.html
-e errexit Abort script at first error, when a command exits with non-zero status (except in until or while loops, if-tests, list constructs)
Always go with the choice that scares you the most, because that's the one that is going to require the most from you!