#!/usr/bin/ksh

function ConvertBytes
	{
	if (( Convert_QTY > 1073741824 ))
		then
			Convert_QTY=`echo "$Convert_QTY / 1073741824" | bc -l`
			FormattedConvert_QTY=$(printf "%4.0f" "$Convert_QTY")
			FormattedConvert_QTY="${FormattedConvert_QTY} G"
		else
			if (( Convert_QTY > 1048576 ))
				then
					Convert_QTY=`echo "$Convert_QTY / 1048576" | bc -l`
					FormattedConvert_QTY=$(printf "%4.0f" "$Convert_QTY")
					FormattedConvert_QTY="${FormattedConvert_QTY} M"
				else
					if (( Convert_QTY > 1024 ))
						then
							Convert_QTY=`echo "$Convert_QTY / 1024" | bc -l`
							FormattedConvert_QTY=$(printf "%4.0f" "$Convert_QTY")
							FormattedConvert_QTY="${FormattedConvert_QTY} K"
						else
							FormattedConvert_QTY=$(printf "%4.0f" "$Convert_QTY")
							FormattedConvert_QTY="${FormattedConvert_QTY} B"
					fi
			fi
	fi
	}

	# ****************************************************************
	# *
	# *	Write the directory information to a temporary file
	# *
	# **********************************************+*****************

	TempFile_NME=/tmp/llh.ksh.$$.tmp

	ls -lF $ls_SW $FileSpecification | awk '{ print $1 "+" $2 "+" $3 "+" $4 "+" $5 "+" $6 "+" $7 "+" $8 "+" $9 }'>$TempFile_NME

	# ****************************************************************
	# *
	# *	Loop through the temporary file and display formatted information
	# *
	# **********************************************+*****************

	echo "\nPermission Lnk Owner  Group   Size       Date                   File Name"
	echo   "---------- --- ------ ----- -------- ------------ ----------------------------------------"

	while read InputRecord
		do
			Permissions_DSC=$(echo "$InputRecord" | cut -d"+" -f1)

			if [ $Permissions_DSC != "total" ]
				then
					Links_QTY=$(echo "$InputRecord" | cut -d"+" -f2)
					Links_QTY=$(expr "$Links_QTY" ) # Convert to integer
					FormattedLinks_QTY=$(printf "%3.0f" "$Links_QTY")

					Owner_NME=$(echo "$InputRecord" | cut -d"+" -f3)
					FormattedOwner_NME=$(printf "%-8s" "$Owner_NME")

					Group_NME=$(echo "$InputRecord" | cut -d"+" -f4)
					FormattedGroup_NME=$(printf "%-5s" "$Group_NME")

					Convert_QTY=$(echo "$InputRecord" | cut -d"+" -f5)
					Convert_QTY=$(expr "$Convert_QTY" ) # Convert to integer
					ConvertBytes
					FormattedSize_QTY=$FormattedConvert_QTY

					Create_DTE=$(echo "$InputRecord" | cut -d"+" -f6-8)
					Create_DTE=`echo $Create_DTE | tr "+" " "`
					FormattedCreate_DTE=$(printf "%-12s" "$Create_DTE")

					File_NME=$(echo "$InputRecord" | cut -d"+" -f9)
					FormattedFile_NME=$(printf "%-40s" "$File_NME")

					echo "$Permissions_DSC $FormattedLinks_QTY $FormattedOwner_NME $FormattedGroup_NME $FormattedSize_QTY $FormattedCreate_DTE $FormattedFile_NME"
			fi
		done<$TempFile_NME

	# ****************************************************************
	# *
	# *	Calculate total space consumed by the specified directory
	# *
	# **********************************************+*****************

	echo   "                            --------"

	TotalSize_STR=`du -ks $FileSpecification | awk '{ print $1 }'`
	TotalSize_QTY=$(expr "$TotalSize_STR" ) # Convert to integer

	if (( TotalSize_QTY > 1073741824 ))
		then
			TotalSize_QTY=`echo "$TotalSize_QTY / 1073741824" | bc -l`
			FormattedTotalSize_QTY=$(printf "%4.1f" "$TotalSize_QTY")
			FormattedTotalSize_QTY="${FormattedTotalSize_QTY} T"
		else
			if (( TotalSize_QTY > 1048576 ))
				then
					TotalSize_QTY=`echo "$TotalSize_QTY / 1048576" | bc -l`
					FormattedTotalSize_QTY=$(printf "%4.0f" "$TotalSize_QTY")
					FormattedTotalSize_QTY="${FormattedTotalSize_QTY} G"
				else
					if (( TotalSize_QTY > 1024 ))
						then
							TotalSize_QTY=`echo "$TotalSize_QTY / 1024" | bc -l`
							FormattedTotalSize_QTY=$(printf "%4.0f" "$TotalSize_QTY")
							FormattedTotalSize_QTY="${FormattedTotalSize_QTY} M"
						else
							FormattedTotalSize_QTY=$(printf "%4.0f" "$TotalSize_QTY")
							FormattedTotalSize_QTY="${FormattedTotalSize_QTY} K"
					fi
			fi
	fi

	echo "                              $FormattedTotalSize_QTY (for $FileSpecification and its subdirectories)"