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<  Yaws mailing list  ~  Newbie parse_post question
Guest
Posted: Fri Dec 22, 2006 2:31 am Reply with quote
Guest
How do i get same effect on parse_post tuple result like i get with for example:
P = {"key","value"},
S = element(2,P),

and it of course gives "value" result, but when i post data to R =
yaws_api:parse_post(Arg) i also get result {"key","value}, only when i
try S = element(2, R) the return is error:

Reason: {badarg,[{m3,out,1},
{yaws_server,deliver_dyn_part,8},
{yaws_server,aloop,3},
{yaws_server,acceptor0,2},
{proc_lib,init_p,5}]}

I hoped that i would grasp Erlang and Yaws in 2 to 3 weeks but it
seems it will take 2 to 3 months just for basics Sad

Also when i extract element from tuple how do i return it without
quotes, i.e. "value" to become just value?

Thanks Smile

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Guest
Posted: Fri Dec 22, 2006 2:35 am Reply with quote
Guest
Also where could i find some great tutorial for pattern matching,
better yet if it's erlang related? Smile

On 12/22/06, Pat e <patrickerj@gmail.com> wrote:
> How do i get same effect on parse_post tuple result like i get with for example:
> P = {"key","value"},
> S = element(2,P),
>
> and it of course gives "value" result, but when i post data to R =
> yaws_api:parse_post(Arg) i also get result {"key","value}, only when i
> try S = element(2, R) the return is error:
>
> Reason: {badarg,[{m3,out,1},
> {yaws_server,deliver_dyn_part,8},
> {yaws_server,aloop,3},
> {yaws_server,acceptor0,2},
> {proc_lib,init_p,5}]}
>
> I hoped that i would grasp Erlang and Yaws in 2 to 3 weeks but it
> seems it will take 2 to 3 months just for basics Sad
>
> Also when i extract element from tuple how do i return it without
> quotes, i.e. "value" to become just value?
>
> Thanks Smile
>

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