select-filesystems

#!/bin/bash



#	please note that df -h | tail -n +2 | awk {'print $1'} can also do the same thing very easily. 




#creating a file called current-df-output.txt
df -h | tail -n +2 | awk {'print $1'} >> current-df-output.txt


################ creating a file and using it for counting values

#echo seeing total lines/drives		;	setting a counter	;	2 loops to compare and put the O/P of current file into an array

LINES=`wc -l current-df-output.txt | awk '{print $1}'`
##echo the number of lines are $LINES

#echo setting up a counter for seeing the total number of drives in the current file
COUNTER=0
while [ $COUNTER -lt $LINES ]
do
#echo "We're in the while loop"
        for j in `cat current-df-output.txt`
        do
                 #echo the value of thevar is $j
                 NAMES[$COUNTER]=$j
                #echo The name is $NAMES
                ((COUNTER=COUNTER+1))
        done
done


#echo	Finally asking for disk to select 


	echo "Please select a Disk by choosing a number from the options below."
	echo "Please note that if you erronously choose a number not present in the list, the program will exit for security purposes as a failsafe so that a new, uninitialiazed disk does not get corrupted."


select DIR in "${NAMES[@]}"
do
	 [ -z $DIR ] || echo Selected $DIR && break
 
done
i

############### done


################ using another approach now 

#deleting the current file
rm current-df-output.txt && #echo The current file was cleared



exit 0