Improved the kafka-topics utility.

Signed-off-by: Hermann Mayer <[email protected]>
hausgold · Dec 10, 2024 · b4861d5 · b4861d5
1 parent 6e71a3b
commit b4861d5
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diff --git a/3.7/build/utilities/kafka-topics b/3.7/build/utilities/kafka-topics
@@ -5,7 +5,17 @@ if [ "${1}" = '-h' -o "${1}" = '--help' ]; then
   echo
   echo 'List all topics/metadata of the Apache Kafka cluster.'
   echo 'All additional args are passed through to kcat, see `$ kcat --help`.'
+  echo
+  echo 'Extra flags:'
+  echo
+  echo '  --names, -n    Only list topic names'
   exit
 fi
 
+if [ "${1}" = '--names' -o "${1}" = '-n' ]; then
+  shift
+  kcat -L ${@} | grep -oP 'topic "\K[^"]+' | LC_COLLATE=C sort
+  exit $?
+fi
+
 kcat -L ${@}
diff --git a/3.9/build/utilities/kafka-topics b/3.9/build/utilities/kafka-topics
@@ -5,7 +5,17 @@ if [ "${1}" = '-h' -o "${1}" = '--help' ]; then
   echo
   echo 'List all topics/metadata of the Apache Kafka cluster.'
   echo 'All additional args are passed through to kcat, see `$ kcat --help`.'
+  echo
+  echo 'Extra flags:'
+  echo
+  echo '  --names, -n    Only list topic names'
   exit
 fi
 
+if [ "${1}" = '--names' -o "${1}" = '-n' ]; then
+  shift
+  kcat -L ${@} | grep -oP 'topic "\K[^"]+' | LC_COLLATE=C sort
+  exit $?
+fi
+
 kcat -L ${@}
diff --git a/build/utilities/kafka-topics b/build/utilities/kafka-topics
@@ -5,7 +5,17 @@ if [ "${1}" = '-h' -o "${1}" = '--help' ]; then
   echo
   echo 'List all topics/metadata of the Apache Kafka cluster.'
   echo 'All additional args are passed through to kcat, see `$ kcat --help`.'
+  echo
+  echo 'Extra flags:'
+  echo
+  echo '  --names, -n    Only list topic names'
   exit
 fi
 
+if [ "${1}" = '--names' -o "${1}" = '-n' ]; then
+  shift
+  kcat -L ${@} | grep -oP 'topic "\K[^"]+' | LC_COLLATE=C sort
+  exit $?
+fi
+
 kcat -L ${@}