dongjoon-hyun commented on code in PR #1834:
URL: https://github.com/apache/orc/pull/1834#discussion_r1511696311
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java/tools/src/java/org/apache/orc/tools/Driver.java:
##########
@@ -94,6 +94,7 @@ public static void main(String[] args) throws Exception {
System.err.println(" meta - print the metadata about the ORC file");
System.err.println(" scan - scan the ORC file");
System.err.println(" sizes - list size on disk of each column");
+ System.err.println(" merge - Merges multiple ORC files to produce a
single ORC file");
Review Comment:
Also, please revise the description like the following; (1) Use a lower case
at the first char, (2) drop `s` at the end of `Merges`, (3) simplify from `to
produce` -> `into`.
```
- Merges multiple ORC files to produce a single ORC file
- merge multiple ORC files into a single ORC file
```
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