作った github.com $ cat hello | cwlogs-cat -g my-group -s my-stream github.com $ cwlogs-tailf -g my-group -s my-stream 2016-05-13T01:51:18+09:00 foo 2016-05-13T01:51:18+09:00 bar 2016-05-13T01:51:19+09:00 zoo ... $ cwlogs-tailf -g my-group…