[erlang-questions] Newbie question converting char to ascii value
David Mercer
dmercer@REDACTED
Fri Jun 5 18:48:14 CEST 2009
Try hd(atom_to_list(a)).
> -----Original Message-----
> From: erlang-questions@REDACTED [mailto:erlang-questions@REDACTED] On
> Behalf Of Paul Johnston
> Sent: Friday, June 05, 2009 10:45 AM
> To: erlang-questions@REDACTED
> Subject: [erlang-questions] Newbie question converting char to ascii value
>
> Hi
>
>
>
> I want to take a character store it in a variable and then get it's
> ascii value.
>
> I know
>
> 1> $a.
>
> 97
>
>
>
> But want something like
>
>
>
> 2> Letter = a.
>
> a
>
> 3> $Letter.
>
> * 1: syntax error before: etter
>
> 3>
>
>
>
> I could do it
>
>
>
> char_to_ascii(Letter) ->
>
> case Letter of
>
> a -> 97;
>
> b -> 98;
>
> ...
>
> end.
>
>
>
>
>
> But that would be silly :-)
>
>
>
> Cheers Paul
>
>
>
> Paul Johnston
>
> Humanities ICT (Infrastructure)
>
> Samuel Alexander Building
>
> Room W1.19
>
>
>
> e-mail Paul.Johnston@REDACTED
>
> web http://web-1.humanities.manchester.ac.uk/prjs/mcasspj/
>
>
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