Brahma Reddy Battula created HDFS-6642:
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Summary: [ FsShell - help message ] Need to refactor usage info
for shell commands
Key: HDFS-6642
URL: https://issues.apache.org/jira/browse/HDFS-6642
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Reporter: Brahma Reddy Battula
Following two can be refactored,
1 ) private final String usagePrefix =
"Usage: hadoop fs [generic options]";
This will come for hadoop fs,hdfs dfs...I feel, it can be separated out
2 ) Following generics also will be called for dfs, haadmin which is not
required.
ToolRunner.printGenericCommandUsage(out);
public static void printGenericCommandUsage(PrintStream out) {
out.println("Generic options supported are");
out.println("-conf <configuration file> specify an application
configuration file");
out.println("-D <property=value> use value for given property");
out.println("-fs <local|namenode:port> specify a namenode");
out.println("-jt <local|jobtracker:port> specify a job tracker");
out.println("-files <comma separated list of files> " +
"specify comma separated files to be copied to the map reduce cluster");
out.println("-libjars <comma separated list of jars> " +
"specify comma separated jar files to include in the classpath.");
out.println("-archives <comma separated list of archives> " +
"specify comma separated archives to be unarchived" +
" on the compute machines.\n");
out.println("The general command line syntax is");
out.println("bin/hadoop command [genericOptions] [commandOptions]\n");
}
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