xiaoxiang781216 commented on issue #176: Fix echo NULL character correctly URL: https://github.com/apache/incubator-nuttx-apps/pull/176#issuecomment-613871382 > maybe. i don't know what was the motivation of the -f option. Yes, that's why I remove -f option, writing back what cu receive from serial is always a good action. no any reason don't enable it by default.
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