Re: read numbers

Hi Roger thank you for replying.
I am having a series of 0s an1s in a List and want to convert it to a
decimal number.
I am looking for something similar to BItSet in java

Kind Regards
Nikolas

Στις Πέμ 9 Δεκ 2021 στις 3:24 μ.μ., ο/η Roger Lipscombe <
[email protected]> έγραψε:

> On Thu, 9 Dec 2021 at 13:29, Java House <[email protected]> wrote:
> > Thank you Roger for the answer
> > I thought about it but since I have to parse all digits for every row
> that would mean a lot of entries as I have to create all possible
> combinations of 0/1 for every position of the row.
>
> parse(Data) -> parse(Data, [], []).
>
> parse(<<"0", Rest/binary>>, Line, Lines) ->
>     parse(Rest, [false | Line], Lines);
> parse(<<"1", Rest/binary>>, Line, Lines) ->
>     parse(Rest, [true | Line], Lines);
> parse(<<$\n, Rest/binary>>, Line, Lines) ->
>     parse(Rest, [], [lists:reverse(Line) | Lines]);
> parse(<<>>, [], Lines) -> lists:reverse(Lines);
> parse(<<>>, Line, Lines) -> lists:reverse([lists:reverse(Line) | Lines]).
>
> ...results in...
>
> [[true,true,true,false,true,true,false,false,true,false,true,false],
>  [false,true,false,false,true,true,true,false,true,true,true,false],
>  [true,true,false,false,false,true,false,false,true,false,true,false],
>  [false,false,true,true,false,true,false,true,true,true,false,true],
>  [true,true,false,true,false,false,false,false,false,false,true,true],
>  [false,true,false,true,true,false,true,true,false,false,true,false]]
>