[erlang-questions] does erlang binary append need to convert to list first?

Bob Ippolito <>
Thu Mar 14 18:48:09 CET 2013


Or more efficiently:
iolist_to_binary(["abc", "def"]).


On Thu, Mar 14, 2013 at 10:47 AM, John Kemp <> wrote:

> list_to_binary(lists:flatten(["abc","def"])).
>
> ?
>
> JohnK
>
> On Mar 14, 2013, at 1:42 PM, wenew zhang wrote:
>
> > on erl command shell,
> > A=list_to_binary("abc").
> > B=list_to_binary("def").
> > i want A+B convert to <<"abcdef">>
> > now i need do it as below:
> > list_to_binary(binary_to_list(A)++binary_to_list(B)).
> >
> > <<"abcdef">>
> >
> > is there a simple method make A+B in binary type?
> >
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> > 
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>
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