比方说,我有以下字符串:击转弯多行字符串转换成一个逗号分隔
something1: +12.0 (some unnecessary trailing data (this must go))
something2: +15.5 (some more unnecessary trailing data)
something4: +9.0 (some other unnecessary data)
something1: +13.5 (blah blah blah)
我如何把它转换成简单
+12.0,+15.5,+9.0,+13.5
在bash?
[Unix命令行中的简明和便携式“加入”的可能重复](http://stackoverflow.com/questions/8522851/concise-and-portable-join-on-the-unix-command -line) – 2015-04-01 23:29:30