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  1. Create a directory for the Pig source code: `mkdir pig`
  2. cd into that directory: `cd pig`
  3. Checkout the Pig source code: `svn checkout http://svn.apache.org/repos/asf/pig/trunk/Image Removed .`
  4. Build the project: `ant`
  5. cd into the piggybank dir: `cd contrib/piggybank/java`
  6. Build the piggybank: `ant`
  7. You should now see a piggybank.jar file in that directory.

Make sure your classpath includes the hadoop jars as well. This workedforme worked for me using the cloudera CDH2 / hadoop AMIs:

Code Block
pig_version=0.4.99.0+10   ; pig_dir=/usr/lib/pig ;
hadoop_version=0.20.1+152 ; hadoop_dir=/usr/lib/hadoop ;
export CLASSPATH=$CLASSPATH:${hadoop_dir}/hadoop-${hadoop_version}-core.jar:${hadoop_dir}/hadoop-${hadoop_version}-tools.jar:${hadoop_dir}/hadoop-${hadoop_version}-ant.jar:${hadoop_dir}/lib/commons-logging-1.0.4.jar:${pig_dir}/pig-${pig_version}-core.jar
export PIG_CONF_DIR=/path/to/mapred-site/and/core-site/pointing/to/your/cluster

To obtain `javadoc` description of the functions run `ant javadoc` from `trunk/contrib/piggybank/java` directory. The documentation is generate in `trunk/contrib/piggybank/java/build/javadoc` directory.

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