echo -n "Enter Filename : " ; read fname ;

# check if file exists
if [ -e $fname ]
then
	 
#display fap for owner 

	echo "Owner"

	ls -l $fname|awk  '{print $1 }' |tee temp | cut -c2-4

#display fap for group users
	
	echo "Group"

	cat temp | cut -c5-7

#display fap for other users

	echo "Other"
	
	cat temp | cut -c8-10
else
	echo "FIle does not exist"
fi

Owner 
rwx
Group
r-x
Others
r--

#!/bin/sh

Permission()
{

for((i=0; i<3; i++))
  do
  case ${perm:i:1} in
    "r")
      printf "Read\t"
      ;;
    "w")
      printf "Write\t"
      ;;
    "x")
      printf "Execute\t"
      ;;
    esac
  done

  echo

}

echo -n "Enter Filename : " ; read fname

if [ ! -e $fname ] ; then
  echo File $fname does not exist
  exit 1
fi

fileperm=`ls -l $fname`

# I don't use a loop here to show the use of substrings
# The function Permission is called 3 times

echo Owner
perm=${fileperm:1:3}
Permission

echo Group
perm=${fileperm:4:3}
Permission

echo Others
perm=${fileperm:7:3}
Permission

exit 0