TisonKun commented on issue #6690: [FLINK-10341][shell script] Add option to print flink command when running bin/flink URL: https://github.com/apache/flink/pull/6690#issuecomment-421019008 I am not a bash expert and find @dawidwys, you are right. To be accurate, it would be `bash -x COMMAND 2>&1 | grep exec` or something, otherwise it prints scare text. From my side it is a frequent demand to see what the real command executed so I would approve this change. We could achieve it even just by hacking this script locally. So the problem is whether we provide such feature within the project and, well, the print format and the approach by setenv not optimized so it looks like no more than just `bash -x`
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