[HADOOP-8691] FsShell can print "Found xxx items" unnecessarily often

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.23.3, 2.0.0-alpha
• Fix Version/s: 2.4.0
• Component/s: fs
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: The `ls` command only prints "Found foo items" once when listing the directories recursively.
• Assignee: Daryn Sharp
• Reporter: Jason Darrell Lowe
• Created: 13/Aug/12 20:23
• Updated: 10/Apr/14 13:11
• Resolved: 05/Mar/14 00:05

Description

The "Found xxx items" header that is printed with a file listing will often appear multiple times in not-so-helpful ways in light of globbing. For example:

$ hadoop fs -ls 'teradata/*'  
Found 1 items
-rw-r--r--   1 someuser somegroup          0 2012-08-06 16:55 teradata/_SUCCESS
Found 1 items
-rw-r--r--   1 someuser somegroup       5000 2012-08-06 16:55 teradata/part-m-00000
Found 1 items
-rw-r--r--   1 someuser somegroup       5000 2012-08-06 16:55 teradata/part-m-00001

Seems like it should just print "Found 3 items" once at the top, or maybe not even print a header at all.

Issue Links

• breaks: HDFS-6058 Fix TestHDFSCLI failures after HADOOP-8691 change
• is duplicated by: HADOOP-10369 hadoop fs -ls prints "Found 1 items" for each entry when globbing
• is related to: HADOOP-10385 '-ls /dir/*' prints nothing if there are empty subdirectories