AndrewJSchofield commented on code in PR #20673:
URL: https://github.com/apache/kafka/pull/20673#discussion_r2425926502
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tools/src/main/java/org/apache/kafka/tools/ConsoleProducer.java:
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@@ -230,6 +232,28 @@ public ConsoleProducerOptions(String[] args) {
.ofType(Integer.class)
.defaultsTo(1024 * 100);
propertyOpt = parser.accepts("property",
+ "(DEPRECATED) A mechanism to pass user-defined
properties in the form key=value to the message reader. This allows custom
configuration for a user-defined message reader." +
+ "\nDefault properties include:" +
+ "\n parse.key=false" +
+ "\n parse.headers=false" +
+ "\n ignore.error=false" +
+ "\n key.separator=\\t" +
+ "\n headers.delimiter=\\t" +
+ "\n headers.separator=," +
+ "\n headers.key.separator=:" +
+ "\n null.marker= When set, any fields
(key, value and headers) equal to this will be replaced by null" +
+ "\nDefault parsing pattern when:" +
+ "\n parse.headers=true and
parse.key=true:" +
+ "\n \"h1:v1,h2:v2...\\tkey\\tvalue\"" +
+ "\n parse.key=true:" +
+ "\n \"key\\tvalue\"" +
+ "\n parse.headers=true:" +
+ "\n \"h1:v1,h2:v2...\\tvalue\"" +
+ "This option will be removed in a future
version. Use --reader-property instead.")
Review Comment:
nit: Let's have a `\n` here to improve the usage message formatting.
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