# 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 ${#files[*]} ]; do
        file1=${files[$i]}
        j=$((i+1))

        while [ $j -lt ${#files[*]} ]; do
            file2=${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++))
        done

        ((i++))
    done
}