|   | 17 | {{{ | 
                  
                          |   | 18 | cd ~/hadoop_labs/lab012 | 
                  
                          |   | 19 | ant | 
                  
                          |   | 20 | mkdir -p kv_input | 
                  
                          |   | 21 | printf "A\t1\n" >  kv_input/input1 | 
                  
                          |   | 22 | printf "B\t2\n" >> kv_input/input1 | 
                  
                          |   | 23 | printf "C\t3\n" >> kv_input/input1 | 
                  
                          |   | 24 | printf "A\t1\n" >  kv_input/input2 | 
                  
                          |   | 25 | printf "C\t2\n" >> kv_input/input2 | 
                  
                          |   | 26 | printf "B\t1\n" >> kv_input/input2 | 
                  
                          |   | 27 | hadoop fs -put kv_input kv_input | 
                  
                          |   | 28 | hadoop jar WordCount.jar kv_input kv_output | 
                  
                          |   | 29 | hadoop fs -ls kv_output | 
                  
                          |   | 30 | hadoop fs -cat kv_output/part-* | 
                  
                          |   | 31 |  | 
                  
                          |   | 32 | export HADOOP_CONF_DIR=~/hadoop/conf.local/ | 
                  
                          |   | 33 | hadoop jar WordCount.jar kv_input kv_output | 
                  
                          |   | 34 | ls -al kv_output | 
                  
                          |   | 35 | cat kv_output/part-* | 
                  
                          |   | 36 | unset HADOOP_CONF_DIR | 
                  
                          |   | 37 | }}} |