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From a..@apache.org
Subject svn commit: r1449162 - in /hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common: CHANGES.txt src/main/bin/hadoop
Date Fri, 22 Feb 2013 18:37:30 GMT
Author: atm
Date: Fri Feb 22 18:37:30 2013
New Revision: 1449162

URL: http://svn.apache.org/r1449162
Log:
HADOOP-9267. hadoop -help, -h, --help should show usage instructions. Contributed by Andrew
Wang.

Modified:
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/bin/hadoop

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1449162&r1=1449161&r2=1449162&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt Fri Feb
22 18:37:30 2013
@@ -39,6 +39,9 @@ Release 2.0.4-beta - UNRELEASED
 
     HADOOP-9304. remove addition of avro genreated-sources dirs to build. (tucu)
 
+    HADOOP-9267. hadoop -help, -h, --help should show usage instructions.
+    (Andrew Wang via atm)
+
 Release 2.0.3-alpha - 2013-02-06 
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/bin/hadoop
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/bin/hadoop?rev=1449162&r1=1449161&r2=1449162&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/bin/hadoop
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/bin/hadoop
Fri Feb 22 18:37:30 2013
@@ -50,6 +50,12 @@ fi
 
 COMMAND=$1
 case $COMMAND in
+  # usage flags
+  --help|-help|-h)
+    print_usage
+    exit
+    ;;
+
   #hdfs commands
   namenode|secondarynamenode|datanode|dfs|dfsadmin|fsck|balancer|fetchdt|oiv|dfsgroups)
     echo "DEPRECATED: Use of this script to execute hdfs command is deprecated." 1>&2



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