Github user xwu0226 commented on a diff in the pull request:
https://github.com/apache/spark/pull/13212#discussion_r63992055
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -1387,6 +1387,27 @@ class SparkContext(config: SparkConf) extends
Logging with ExecutorAllocationCli
}
/**
+ * Return a list of file paths that are added to resources.
+ * If file paths are provided, return the ones that are added to
resources.
+ */
+ def listFiles(files: Seq[String] = Seq.empty[String]): Seq[String] = {
--- End diff --
@rxin Just one concern about thiss one. It is possible that users just
invoked listFiles or listJars directly with sparkContext. Do we want to provide
filtering for this case? Right now, I have a [test
case](https://github.com/xwu0226/spark/blob/21b092ab84b22abec93fde1fc1ca177db68d9f0d/core/src/test/scala/org/apache/spark/SparkContextSuite.scala#L159-L176)
that covers this case.
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