function searchPerson {
    while IFS= read -r line
    do
        IFS="|" read -r -a arr <<< "$line"
        lineValid=true
        # check if $ime is empty, if it is, we are not using it to searching
        # [0]-id | [1]-ime | [2]-priimek | [3]-naslov | [4]-posta | [5]-tel
        if [ ! -z "$ime" ] && [ "${arr[1]}" != "$ime" ]; then
            lineValid=false
        fi
        if [ ! -z "$priimek" ] && [ "${arr[2]}" != "$priimek" ]; then
            lineValid=false
        fi
        if [ ! -z "$naslov" ] && [ "${arr[3]}" != "$naslov" ]; then
            lineValid=false
        fi
        if [ ! -z "$posta" ] && [ "${arr[4]}" != "$posta" ]; then
            lineValid=false
        fi
        if [ ! -z "$tel" ] && [ "${arr[5]}" != "$tel" ]; then
            lineValid=false
        fi

        if [ $lineValid = true ]; then
            echo $line
        fi

    done < imenik.dat
}