[erlang-questions] List of strings problem

Sam Overdorf <>
Sun Jul 23 21:33:30 CEST 2017


Thanks for the help.
I figured out my problem, I was going to deep into the list.
Works as expected.
Thanks,
Sam


On Thu, Jul 20, 2017 at 11:40 PM, Raimo Niskanen
<> wrote:
> On Thu, Jul 20, 2017 at 04:57:34PM -0700, Sam Overdorf wrote:
>> Thanks for responding so quickly.
>> I am using Windows7 could this be causing some of my odd behavior?
>> Thanks,
>> Sam
>
> Nope.  That should not matter.
>
> Please re-do your example and cut-and-paste the result hera again, exactly
> as Taras did, so there is no room for human error or interpretation...
>
>     f().
>     D = [ "sam1", "sam2" ].
>     [H|T] = D.
>     H.
>     [H2|T2] = T.
>     H2.
>
>
>
>>
>>
>> On Thu, Jul 20, 2017 at 12:38 AM, PAILLEAU Eric
>> <> wrote:
>> > Yes,
>> > indeed it is the normal behaviour.
>> > I suspect you do something like list flatten before so that
>> > [H2|T2] = T.
>> > is
>> > [H2|T2] = [$s,$a,$m,$2]   and you got "s".
>> > the reason why I told you to do
>> > [H2|T2] = [T].
>> >
>> > but minimal test is correct like Taras pointed.
>> >
>> > regards
>> >
>> > Le 20/07/2017 à 09:31, Taras Halturin a écrit :
>> >>
>> >> Just to be sure...
>> >>
>> >> Erlang/OTP 19 [erts-8.2.1] [source] [64-bit] [smp:4:4] [async-threads:10]
>> >> [kernel-poll:false]
>> >>
>> >> Eshell V8.2.1  (abort with ^G)
>> >> 1> D = [ "sam1", "sam2" ].
>> >> ["sam1","sam2"]
>> >> 2> [H|T] = D.
>> >> ["sam1","sam2"]
>> >> 3> [H2|T2] = T.
>> >> ["sam2"]
>> >> 4> T2.
>> >> []
>> >> 5> H2.
>> >> "sam2"
>> >> 6>
>> >>
>> >> It works as you expected.
>> >>
>> >> On Thu, Jul 20, 2017 at 10:00 AM, Éric Pailleau <
>> >> <mailto:>> wrote:
>> >>
>> >>     Hi,
>> >>     T is already sam2.
>> >>     Strings are list so try [H2|T2]=[T] ...
>> >>     Regards
>> >>
>> >>     _______________________________________________
>> >>     erlang-questions mailing list
>> >>      <mailto:>
>> >>     http://erlang.org/mailman/listinfo/erlang-questions
>> >>     <http://erlang.org/mailman/listinfo/erlang-questions>
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Best Regards.
>> >> Taras Halturin
>> >
>> >
>> _______________________________________________
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>> 
>> http://erlang.org/mailman/listinfo/erlang-questions
>
> --
>
> / Raimo Niskanen, Erlang/OTP, Ericsson AB
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