[erlang-questions] List processing

黃耀賢 (Yau-Hsien Huang) <>
Thu Apr 1 04:28:26 CEST 2010


You can make it an array.

1> A = array:from_list(tuple_to_list({1,45,55,67,89})).
{array,5,10,undefined,
       {1,45,55,67,89,undefined,undefined,undefined,undefined,
        undefined}}
2> array:get(5, A).
undefined
2> array:get(4, A).
89


On Thu, Apr 1, 2010 at 2:43 AM, Saravana <> wrote:

> Hi friends,
>
>       Good morning,I have doubts
>
> Here I use the code to select the result for id from mysql db
>
>        ConnString = "DSN=mysqldb",
>        {ok, Conn} = odbc:connect(ConnString, []),
>        {selected, _Cols, Results} = odbc:sql_query(Conn, "SELECT * FROM
> marks where id=1"),
>        io:format("~p",Results),
> i get the output in terminal {1,45,55,67,89}
>
> Here I wanna to process each field seperately,How to seperate each
> field in the above tuple?
>
> I wanna print the result 1,45,55,67,89 like wise individually
>
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