#!/bin/bash

kinit -k -t /var/lib/keytab/hadoop.keytab hadoop@GOOPER.COM

usage="Usage: del_diff.sh [days] [delete target path]"

if [[ $# != 2 ]]

then

   echo $usage

   exit 1

fi

path=${2}

echo "delete target path : " $path

now=$(date +%s)

echo "old file date point : " $now

hdfs dfs -ls $path | while read f; do

dir_date=`echo $f | awk '{print $6}'`

#180일

difference=$(( ( $now - $(date -d "$dir_date"  +%s) ) / (24 * 60 * 60) ))

if [ $difference -gt $1 ]; then

  if [[ `echo $f | awk '[ print $8 }'` == *$path* ]]; then

      hdfs dfs -rm `echo $f| awk '{ print $8 }'`;

  else

     echo 'else - target path is [' `echo $f| awk '{ print $8 }'` '] not contain this path [' $path ']'

  fi

fi

done