Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20016#discussion_r157809630
--- Diff:
examples/src/main/scala/org/apache/spark/examples/DFSReadWriteTest.scala ---
@@ -49,12 +49,10 @@ object DFSReadWriteTest {
}
private def printUsage(): Unit = {
- val usage: String = "DFS Read-Write Test\n" +
- "\n" +
- "Usage: localFile dfsDir\n" +
- "\n" +
- "localFile - (string) local file to use in test\n" +
- "dfsDir - (string) DFS directory for read/write tests\n"
+ val usage = s"""DFS Read-Write Test
--- End diff --
here you should use
```
"""
|...
""".stripMargin
```
otherwise you introduce a lot of spaces
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