[erlang-questions] escript argument encoding

[Dan Gudmundsson]

The default will be +fnaw in 17.0 i.e. dependent on env.


On Thu, Mar 20, 2014 at 11:42 PM, Reid Draper <reiddraper@REDACTED> wrote:

> Thanks. +fnu solved it for me.
>
> Reid
>
> On Mar 20, 2014, at 1:42 PM, José Valim <jose.valim@REDACTED>
> wrote:
>
> Take a look at the +fnu flags:
>
> http://erlang.org/doc/man/erl.html
>
>
>
> *José Valim*
> www.plataformatec.com.br
> Skype: jv.ptec
> Founder and Lead Developer
>
>
> On Thu, Mar 20, 2014 at 7:38 PM, Reid Draper <reiddraper@REDACTED> wrote:
>
>> I’m running into an issue where OSX and Linux seem to treat the
>> command-line arguments to an escript differently. Using the following
>> escript:
>>
>> #!/usr/bin/env escript
>> %% -*- erlang -*-
>> %%! +pc unicode
>>
>> main([Args]) ->
>>     io:setopts([{encoding, utf8}]),
>>     io:format("~w~n", [Args]),
>>     io:format("~ts~n", [Args]).
>>
>> Both my OSX and Linux (Ubuntu 13.10) boxes have their LANG set
>> to en_US.UTF-8. I’m running the escript like so:
>>
>> ./sample.escript سلام
>>
>> On OSX, the escript seems to treat `Args` as a list of unicode
>> code-points:
>>
>> ./sample.escript سلام
>> [1587,1604,1575,1605]
>> سلام
>>
>> On Linux, it seems to treat the input as a list of UTF-8 bytes, where
>> each byte is turned into an integer. The Erlang unicode guide calls this a
>> 'Lists of UTF-8 Bytes' [1].
>>
>> ./sample.escript سلام
>> [216,179,217,132,216,167,217,133]
>> سلام
>>
>> How does I get both OSX and Linux to treat the input of the escript as a
>> list of code-points?
>>
>> Thanks,
>> Reid
>>
>> [1] http://www.erlang.org/doc/apps/stdlib/unicode_usage.html
>>
>>
>>
>>
>>
>>
>>
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>>
>>
>
>
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