[erlang-questions] What does Prompt in io:get_line/2 do?

Roger Lipscombe roger@REDACTED
Thu May 29 16:24:53 CEST 2014


1> io:get_line(standard_io, foo).
foohaskgjdhgsdg
"haskgjdhgsdg\n"
2> io:get_line(standard_io, enter_something).
enter_somethingsdgdsgsgsad
"sdgdsgsgsad\n"
3> io:get_line(standard_io, 'meh>').
meh>fdasfhjdgfsadg
"fdasfhjdgfsadg\n"

On 29 May 2014 15:07, Ivan Uemlianin <ivan@REDACTED> wrote:
> Dear All
>
> Quick question!
>
> In io:get_line(IoDevice, Prompt), what is the point of Prompt?  Just using a
> random atom seems to work fine.
>
> 1> {ok,F} = file:open("data.txt",[read, {encoding, utf8}]).
> {ok,<0.36.0>}
> 2> io:get_line(F, x).
> "first line\n"
> 3> io:get_line(F, y).
> "second line\n"
> % ... etc
>
> Thanks
>
> Ivan
>
>
> --
> ============================================================
> Ivan A. Uemlianin PhD
> Llaisdy
> Speech Technology Research and Development
>
>                     ivan@REDACTED
>                      www.llaisdy.com
>                          llaisdy.wordpress.com
>               github.com/llaisdy
>                      www.linkedin.com/in/ivanuemlianin
>
>                         festina lente
> ============================================================
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