Hi,   I am trying to automate the HDFS user space utilisation mail. Everything went correct exept the sorting of the files in gb.when i tried with bytes it is giving the correct result but in other it is not coming the expected output. please help me the get the correct output. i ll provide the script which i run in bytes as well as human readable -h in hdfs file system. #!/bin/bash #getting the current hdfs percentage in numeric value CURRENT=$(hdfs dfs -df -h/ | grep / | awk '{ print $8}' | sed 's/%//g') #current hdfs space utilisation DiskFile=$(hdfs dfs -df -h) HdfsReport=$(hdfs dfsadmin -report) Diskuse=$(hdfs dfs -du  /user | sort -nr | head -10) #To get results GB i have provided $(hdfs dfs -du -h  /user | sort -r | head -10) THRESHOLD=70 Critical=90 if [ "$CURRENT" -gt "$THRESHOLD" ] ; then mail -s 'HDFS Usage Housekeeping required' @ABC.com, @ABC.com << EOF HDFS usage in Cluster is above the threshold please run the clean-up scripts asap. Used: $CURRENT% Current disk utilization report is $DiskFile Please find the Utilisation report of top ten users consuming the cluster $Diskuse EOF fi if [ "$CURRENT" -gt "$Critical" ] ; then mail -s 'HDFS Admin Report' yy@abc.com, yyy@abc.com << EOF HDFS usage in Cluster is above critical storage, please Find the Cluster report below $HdfsReport   EOF fi     Please help me to sort out the this. Thanks in advance ... View more