View difference between Paste ID: XrTk6p9h and FTuH8WSQ

 # Arg 1: directory
 function rechercheCopie {
 	echo "Searching directory `(cd $1 && pwd)`..."
 	files=(`find $1 -type f 2> /dev/null`)
 	echo "${#files[*]} files"
 
 	i=0
 
 	while [ $i -lt ${#files[*]} ]; do
 		j=$(($i+1))
 
 		while [ $j -lt ${#files[*]} ]; do
 			file1=${files[$i]}
 			file2=${files[$j]}
 
 			if [ $i != $j ]; then
 				firstMd5=`md5 -q "$file1"`
 				secondMd5=`md5 -q "$file2"`
 
 				if [ "$firstMd5" = "$secondMd5" ]; then
 					echo -e "$file1\t$file2"
 				fi
 
 			fi
-			j=$(($j+1))
+			((j++))
 		done
 
-		i=$(($i+1))
+		((i++))
 	done
 }