svn commit: r1674371 - in /nutch/trunk: CHANGES.txt src/java/org/apache/nutch/util/domain/DomainStatistics.java

[mattmann]

Author: mattmann
Date: Fri Apr 17 18:04:52 2015
New Revision: 1674371

URL: http://svn.apache.org/r1674371
Log:
fix for NUTCH-1911 Imeprove DomainStatistics tool command line parsing 
contributed by Michael Joyce <mltjo...@gmail.com> this closes #21.

Modified:
    nutch/trunk/CHANGES.txt
    nutch/trunk/src/java/org/apache/nutch/util/domain/DomainStatistics.java

Modified: nutch/trunk/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/nutch/trunk/CHANGES.txt?rev=1674371&r1=1674370&r2=1674371&view=diff
==============================================================================
--- nutch/trunk/CHANGES.txt (original)
+++ nutch/trunk/CHANGES.txt Fri Apr 17 18:04:52 2015
@@ -2,6 +2,8 @@ Nutch Change Log
  
 Nutch Current Development 1.10-SNAPSHOT
 
+* NUTCH-1911 Imeprove DomainStatistics tool command line parsing (Michael 
Joyce via mattmann)
+
 * NUTCH-1981 Upgrade to icu4j 55.1 (Marko Asplund via snagel)
 
 * NUTCH-1960 JUnit test for dump method of CommonCrawlDataDumper (Giuseppe 
Totaro via mattmann)

Modified: 
nutch/trunk/src/java/org/apache/nutch/util/domain/DomainStatistics.java
URL: 
http://svn.apache.org/viewvc/nutch/trunk/src/java/org/apache/nutch/util/domain/DomainStatistics.java?rev=1674371&r1=1674370&r2=1674371&view=diff
==============================================================================
--- nutch/trunk/src/java/org/apache/nutch/util/domain/DomainStatistics.java 
(original)
+++ nutch/trunk/src/java/org/apache/nutch/util/domain/DomainStatistics.java Fri 
Apr 17 18:04:52 2015
@@ -67,8 +67,20 @@ public class DomainStatistics extends Co
 
   public int run(String[] args) throws Exception {
     if (args.length < 3) {
-      System.out
-          .println("usage: DomainStatistics inputDirs outDir 
host|domain|suffix|tld [numOfReducer]");
+      System.err.println("Usage: DomainStatistics inputDirs outDir mode 
[numOfReducer]");
+
+      System.err.println("\tinputDirs\tComma separated list of crawldb input 
directories");
+      System.err.println("\t\t\tE.g.: crawl/crawldb/current/");
+
+      System.err.println("\toutDir\t\tOutput directory where results should be 
dumped");
+
+      System.err.println("\tmode\t\tSet statistics gathering mode");
+      System.err.println("\t\t\t\thost\tGather statistics by host");
+      System.err.println("\t\t\t\tdomain\tGather statistics by domain");
+      System.err.println("\t\t\t\tsuffix\tGather statistics by suffix");
+      System.err.println("\t\t\t\ttld\tGather statistics by top level 
directory");
+
+      System.err.println("\t[numOfReducers]\tOptional number of reduce jobs to 
use. Defaults to 1.");
       return 1;
     }
     String inputDir = args[0];