#!/bin/bash
# $Id: oddb_renlst 2 2008-03-28 15:52:26Z winex $

SIZE_ONLY=0

###
# TODO: 20070924 winex: make getting list of files by args to script
# and checking them with 'stat -c "%s" $arg'
###

if [ "$1" != "" ]; then
	lst=$1
fi

# cat lst to tbl, replacing all spaces with '_SPACE_'
tbl=( $(cat "$lst" | sed 's/ /_SPACE_/g') )

# for each 3rd entry do the magic :)
for i in $( seq 0 3 $((${#tbl[@]} - 1))  )
do
	md5=${tbl[$i]}
	size=${tbl[$i+1]}
	name=${tbl[$i+2]}

	cmd_out=""
	result=0

	# TODO: 20070924 winex: check if size == 0
	#found=$(find . -size "$size"c -printf "%P\n")
found=$(find . -maxdepth 1 -size "$size"c -printf "%f\n")
	if [ "$found" != "" ]; then
		name=$(echo "$name" | sed 's/_SPACE_/ /g')
		bname=$(basename "$name")		# need below?
		printf "found size match of: \n"
		printf "\tmd5: $md5\tsize: $size\t'$name'\n"
		for ent in $(echo "$found" | sed 's/ /_SPACE_/g'); do
			ent=$(echo "$ent" | sed 's/_SPACE_/ /g')
			#printf "\t\t\t$ent\n"
			if [ -f "$ent" ]; then
				if [ $SIZE_ONLY -eq 0 ]; then
					md5_2=$(md5sum "$ent" 2>/dev/null | cut -b-32)
					if [ "$md5_2" != "" ]; then
						printf "\tmd5: $md5\tsize: $size\t$ent\n" #no need to get its size, we'll rely on 'find'
						if [ "$md5_2" == "$md5" ]; then
							printf "\tCHECKSUM EQUAL, renaming '$ent' to '$bname'..."
							cmd_out=$(mv "$ent" "$bname" 2>&1)
							result=$?
						fi
					fi
				else
					#printf "\tmv \"$ent\" \"$name\"\n"
					printf "\tSIZE EQUAL, renaming '$ent' to '$bname'..."
					cmd_out=$(mv "$ent" "$bname" 2>&1)
					#printf "\tSIZE EQUAL, renaming '$ent' to '$name'..."
					#cmd_out=$(mv "$ent" "$name" 2>&1)
					result=$?
				fi
			fi
			if [ $result -eq 0 ]; then
				echo "OK"
			else
				printf "\nERROR: '"
				echo -n "$cmd_out"
				echo "'"
			fi
		done
	fi
done

echo

# script_contents=( $(cat "$lst") )  #  Stores contents of this script ($lst)
# 								   #+ in an array.
#
# for element in $(seq 0 $((${#script_contents[@]} - 1)))
#   do                #  ${#script_contents[@]}
# 					#+ gives number of elements in the array.
# 					#
# 					#  Question:
# 					#  Why is  seq 0  necessary?
# 					#  Try changing it to seq 1.
# 	echo -n "${script_contents[$element]}"
# 					# List each field of this script on a single line.
# 	echo -n '\t'    # Use " -- " as a field separator.
# done






#for ent in $(cat "$lst" | sed 's/ /__/g' | sed 's/\([\\'']\)/\\&/g'); do
#{
#    #k=`echo '$ent' | awk -F\t '{print $2;}'`
#    echo "$ent"
#    #`find . -maxdepth 1 -size $k"c"`
#    #basename $k
#}
#done

#cat $lst | awk -F'\t' '{ print $1"  "$3; }' | md5sum -c

#find $path_arg -name "$name_arg" -type f -printf "%s\t" -exec md5sum -b {} \; | \
#find . -type f -printf "%s\t" -exec md5sum -b {} \; | \
#sed 's/ [ \*]/\t/g' | sed 's/\.\///' | sed 's/\([0-9]*\t\)\([0-9a-f]*\t\)/\2\1/'