sasakitoa opened a new pull request, #17058:
URL: https://github.com/apache/kafka/pull/17058
Output format of `kafka-consumer-groups.sh` with `--delete-offsets` or
`--reset-offsets` has been broken since line separators are missing.
This PR will fix the problem.
--
Current:
```
$ kafka-consumer-groups.sh --bootstrap-server localhost:9092
--delete-offsets --topic topic1 --group TestGroup1
Request succeed for deleting offsets with topic topic1 group TestGroup1
TOPIC PARTITION STATUS topic1
0 Successful topic1 1
Successful topic1 2
Successful topic1 3 Successful
topic1 4 Successful topic1
5 Successful topic1 6
Successful topic1 7
Successful topic1 8 Successful
topic1 9 Successful
```
Expect:
```
$ kafka-consumer-groups.sh --bootstrap-server localhost:9092
--delete-offsets --topic topic1 --group TestGroup1
Request succeed for deleting offsets with topic topic1 group TestGroup1
TOPIC PARTITION STATUS
topic1 0 Successful
topic1 1 Successful
topic1 2 Successful
topic1 3 Successful
topic1 4 Successful
topic1 5 Successful
topic1 6 Successful
topic1 7 Successful
topic1 8 Successful
topic1 9 Successful
```
--
Current:
```
$ kafka-consumer-groups.sh --bootstrap-server localhost:9092 --reset-offsets
--from-file /tmp/offsets.csv --group TestGroup1 --execute
GROUP TOPIC PARTITION
NEW-OFFSET TestGroup1 topic1 1
20 TestGroup1 topic1
0 10 TestGroup1 topic1
3 40 TestGroup1 topic1
2 30 TestGroup1
topic1 5 60 TestGroup1
topic1 4 50
```
Expect:
```
$ kafka-consumer-groups.sh --bootstrap-server localhost:9092 --reset-offsets
--from-file /tmp/offsets.csv --group TestGroup1 --execute
GROUP TOPIC PARTITION
NEW-OFFSET
TestGroup1 topic1 1 20
TestGroup1 topic1 0 10
TestGroup1 topic1 3 40
TestGroup1 topic1 2 30
TestGroup1 topic1 5 60
TestGroup1 topic1 4 50
```
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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