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The following page has been changed by CorinneC: http://wiki.apache.org/pig/PigTutorial ------------------------------------------------------------------------------ 1. Download and unzip the Pig tutorial file (*.gz) to your local directory. 1. Review the contents of the [#Pig_Tutorial_File Pig Tutorial File]. + 1. Review the [#Tutorial_Pig_Script Tutorial Pig Script] and the[#Tutorial_Join_Pig_Script Tutorial-Join Pig Script]. - 1. Execute the following command (using either tutorial-local.pig or tutorial-join-local.pig) + 1. Execute the following command (using either tutorial-local.pig or tutorial-join-local.pig). {{{ $ java -cp $PIGDIR/pig.jar org.apache.pig.Main -x local tutorial-local.pig }}} - 1.#4 Review the results: + 1.#5 Review the results: {{{ $ ls -l /tmp/ngrams.txt }}} @@ -47, +48 @@ 1. Download and unzip the Pig tutorial file (*.gz) to your local directory. 1. Review the contents of the [#Pig_Tutorial_File Pig Tutorial File]. + 1. Review the [#Tutorial_Pig_Script Tutorial Pig Script] and the[#Tutorial_Join_Pig_Script Tutorial-Join Pig Script]. 1. Copy the exite.log file to your DFS directory. {{{ $ hadoop dfs âcopyFromLocal tutorial/excite.log . }}} - 1.#4 Set the HADOOPSITEPATH environment variable to the location of your hadoop-site.xml file. + 1.#5 Set the HADOOPSITEPATH environment variable to the location of your hadoop-site.xml file. 1. Execute the following command (using either tutorial.pig or tutorial-join.pig): {{{ $ java -cp pig.jar:$HADOOPSITEPATH org.apache.pig.Main tutorial.pig }}} - 1.#6 Review the results: + 1.#7 Review the results: {{{ $ hadoop dfs -ls ngrams.txt }}} @@ -86, +88 @@ || !TutorialUtil || Divides the query string into a set of words.|| + [[Anchor(Tutorial_Pig_Script)]] == Tutorial Pig Script == The tutorial pig script (tutorial.pig or tutorial-local.pig) does the following: @@ -108, +111 @@ * Uses the [http://wiki.apache.org/pig/PigBuiltins PigStorage] function to store the results. The output file contains a list of n-grams with the following fields: '''hour''', '''ngram''', '''score''', '''count''', '''mean''' + [[Anchor(Tutorial_Join_Pig_Script)]] == Tutorial-Join Pig Script == The tutorial-join pig script (tutorial-join.pig or tutorial-join-local.pig) does the following: