[HADOOP-7348] Modify the option of FsShell getmerge from [addnl] to [-nl] for consistency

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.1
• Component/s: fs
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: The 'fs -getmerge' tool now uses a -nl flag to determine if adding a newline at end of each file is required, in favor of the 'addnl' boolean flag that was used earlier.
• Assignee: XieXianshan
• Reporter: XieXianshan
• Created: 01/Jun/11 04:21
• Updated: 01/Sep/15 08:27
• Resolved: 28/Dec/11 14:32

Description

The [addnl] option of FsShell getmerge should be either "true" or "false",but it is very hard to understand by users, especially who`s never used this option before.
So,the [addnl] option should be changed to [-nl] for consistency.

Issue Links

• blocks: HDFS-2070 Add more unit tests for FsShell getmerge
• is duplicated by: HADOOP-7340 incomplete help message is displayed for getmerge [addnl] option
• is related to: HADOOP-12359 hadoop fs -getmerge doc is wrong