scala> "hadoop fs -ls /"!

warning: there was one feature warning; re-run with -feature for details
Found 4 items
drwxr-xr-x – hadoop supergroup 0 2021-07-14 10:51 /anil
drwxrwxrwx – hadoop supergroup 0 2021-07-13 23:19 /data
drwxrwxr-x – hadoop supergroup 0 2021-07-13 00:57 /tmp
drwxr-xr-x – hadoop supergroup 0 2021-07-13 00:09 /user
res2: Int = 0

while reading from hdfs in spark

scala> spark.read.csv("/data/orders/").show(10)
org.apache.spark.sql.AnalysisException: Path does not exist: file:/data/orders;
  at org.apache.spark.sql.execution.datasources.DataSource$$anonfun$org$apache$spark$sql
$execution$datasources$DataSource$$checkAndGlobPathIfNecessary$1.apply(DataSource.scala:576)
  at org.apache.spark.sql.execution.datasources.DataSource$$anonfun$org$apache$spark$sql
$execution$datasources$DataSource$$checkAndGlobPathIfNecessary$1.apply(DataSource.scala:559)
  at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
  at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
  at scala.collection.immutable.List.foreach(List.scala:392)
  at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241)
  at scala.collection.immutable.List.flatMap(List.scala:355)
  at org.apache.spark.sql.execution.datasources.DataSource.org$apache$spark$sql$execution
$datasources$DataSource$$checkAndGlobPathIfNecessary(DataSource.scala:559)
  at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:373)
  at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:242)
  at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:230)
  at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:641)
  at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:487)
  ... 49 elided