Reading a parquet files using parquet tools

	// Building a parquet tools
	git clone https://github.com/Parquet/parquet-mr.git
	cd parquet-mr/parquet-tools/
	mvn clean package -Plocal
	// know the schema of the parquet file
	java -jar parquet-tools-1.6.0rc3-SNAPSHOT.jar schema sample.parquet
	// Read parquet file
	java -jar parquet-tools-1.6.0rc3-SNAPSHOT.jar cat sample.parquet
	// Read few lines in parquet file
	java -jar parquet-tools-1.6.0rc3-SNAPSHOT.jar head -n5 sample.parquet
	// know the meta information of the parquet file
	java -jar parquet-tools-1.6.0rc3-SNAPSHOT.jar meta sample.parquet

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