[erlang-questions] Simple output questions
Wed Feb 21 08:22:18 CET 2007
On 2007-02-21 04:30, Josh Kupershmidt wrote:
> Hi all,
> I'm puzzling over how to output a long list of elements. My output
> seems to be getting chopped off after ~29 lines.
> For example, I have a function 'range' defined as:
> range(N, N) ->
> range(Min, Max) ->
> [Min | range(Min+1, Max)].
> If I try to output integers between 1 and 100, the output gets chopped
> off at 29, ending with " 29|...] " .
the shell is truncating your list. write the list instead:
io:fwrite( "~w~n", [<module>:range(1, 100)] ).
> Another random question, is it possible to change the number of
> floating point significant digits. Mine seems to be set to 6. For
> Gives me "1.41421" . Any way to get more precision? Sorry if these
> questions are rather simple, I googled a bit without finding anything.
similarly the shells default setting is getting in your way. try
io:fwrite( "~.10g~n", [math:sqrt(2)] ).
i have never used this so see the manual page for io module where this
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