HBASE-2033 Shell scan 'limit' is off by one

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@888640 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -122,6 +122,7 @@ Release 0.21.0 - Unreleased
    HBASE-1994  Master will lose hlog entries while splitting if region has
                empty oldlogfile.log (Lars George via Stack)
    HBASE-2022  NPE in housekeeping kills RS
+   HBASE-2033  Shell scan 'limit' is off by one
 
   IMPROVEMENTS
    HBASE-1760  Cleanup TODOs in HTable

bin/HBase.rb

@@ -426,7 +426,6 @@ module HBase
       while i.hasNext()
         r = i.next()
         row = String.from_java_bytes r.getRow()
-        count += 1
         if limit != -1 and count >= limit
           break
         end
@@ -437,6 +436,7 @@ module HBase
           cell = toString(column, kv, maxlength)
           @formatter.row([row, "column=%s, %s" % [column, cell]])
         end
+        count += 1
       end
       @formatter.footer(now, count)
     end