examples/data/generate.sh

#!/bin/bash

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PRG="${0}"

while [ -h "${PRG}" ]; do
  ls=`ls -ld "${PRG}"`
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then
    PRG="$link"
  else
    PRG=`dirname "${PRG}"`/"$link"
  fi
done

BASEDIR=`dirname ${PRG}`
BASEDIR=`cd ${BASEDIR};pwd`

rm -rf generated-data
YEAR=`date +%Y`
MONTH=`date +m`
DAY=`date +%d`
HOUR=`date +%H`

DELIM='\t'
input=(first second third fourth fifth)
for MINUTE in `seq -w 00 59`
do
    mkdir -p generated-data/00/$MINUTE/
    word=${input[$RANDOM % 5]}
    cnt=`expr $RANDOM % 10`
    echo -e "$word$DELIM$cnt" > generated-data/00/$MINUTE/data
done

hadoop fs -rmr /data/in/2013/11/15/
hadoop fs -mkdir -p /data/in/2013/11/15/
hadoop fs -put generated-data/00 /data/in/2013/11/15/ 
rm -rf generated-data