HBASE-10728 get_counter value is never used.

hbase-shell/src/main/ruby/hbase/table.rb

@@ -219,7 +219,12 @@ EOF
         set_op_ttl(incr, ttl) if ttl
       end
       incr.addColumn(family, qualifier, value)
-      @table.increment(incr)
+      result = @table.increment(incr)
+      return nil if result.isEmpty
+
+      # Fetch cell value
+      cell = result.listCells[0]
+      org.apache.hadoop.hbase.util.Bytes::toLong(cell.getValue)
     end
 
     #----------------------------------------------------------------------------------------------

hbase-shell/src/main/ruby/shell/commands/get_counter.rb

@@ -23,8 +23,8 @@ module Shell
       def help
         return <<-EOF
 Return a counter cell value at specified table/row/column coordinates.
-A cell cell should be managed with atomic increment function oh HBase
-and the data should be binary encoded. Example:
+A counter cell should be managed with atomic increment functions on HBase
+and the data should be binary encoded (as long value). Example:
 
   hbase> get_counter 'ns1:t1', 'r1', 'c1'
   hbase> get_counter 't1', 'r1', 'c1'
@@ -36,11 +36,11 @@ t to table 't1', the corresponding command would be:
 EOF
       end
 
-      def command(table, row, column, value)
-        get_counter(table(table), row, column, value)
+      def command(table, row, column)
+        get_counter(table(table), row, column)
       end
 
-      def get_counter(table, row, column, value = nil)
+      def get_counter(table, row, column)
         if cnt = table._get_counter_internal(row, column)
           puts "COUNTER VALUE = #{cnt}"
         else

hbase-shell/src/main/ruby/shell/commands/incr.rb

@@ -50,7 +50,11 @@ EOF
 
       def incr(table, row, column, value = nil, args={})
       	format_simple_command do
-        	table._incr_internal(row, column, value, args)
+          if cnt = table._incr_internal(row, column, value, args)
+            puts "COUNTER VALUE = #{cnt}"
+          else
+            puts "No counter found at specified coordinates"
+          end
       	end
       end
     end