Author: atm
Date: Wed Feb 27 02:42:38 2013
New Revision: 1450584
URL: http://svn.apache.org/r1450584
Log:
MAPREDUCE-5033. mapred shell script should respect usage flags (--help -help
-h). Contributed by Andrew Wang.
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
hadoop/common/trunk/hadoop-mapreduce-project/bin/mapred
Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1450584&r1=1450583&r2=1450584&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Wed Feb 27
02:42:38 2013
@@ -163,6 +163,9 @@ Release 2.0.4-beta - UNRELEASED
IMPROVEMENTS
+ MAPREDUCE-5033. mapred shell script should respect usage flags
+ (--help -help -h). (Andrew Wang via atm)
+
OPTIMIZATIONS
BUG FIXES
Modified: hadoop/common/trunk/hadoop-mapreduce-project/bin/mapred
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/bin/mapred?rev=1450584&r1=1450583&r2=1450584&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/bin/mapred (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/bin/mapred Wed Feb 27 02:42:38
2013
@@ -50,6 +50,14 @@ fi
COMMAND=$1
shift
+case $COMMAND in
+ # usage flags
+ --help|-help|-h)
+ print_usage
+ exit
+ ;;
+esac
+
if [ "$COMMAND" = "job" ] ; then
CLASS=org.apache.hadoop.mapred.JobClient
elif [ "$COMMAND" = "queue" ] ; then
