[erlang-questions] Erlang Shell History: enabled.

Fred Hebert <>
Tue Nov 22 00:37:29 CET 2011


Flooding this mailing list again to say I've renamed history.erl as
group_history.erl. this should significantly decrease the chances of name
clashes, respects the kernel application's naming convention and shows the
dependency on the group module.

On Mon, Nov 21, 2011 at 6:11 PM, Fred Hebert <> wrote:

> I thought of this. I can definitely change it for kernel_history, but
> 'shell_history' wouldn't make sense given: a) the module is in the 'kernel'
> application, b) the 'shell' module is actually in the 'stdlib' application.
> This one operates on 'group', which runs within kernel.
>
> My decision was made from the idea that whatever usually is in OTP ends up
> having no prefix, although user-created applications tend to prefix
> themselves. I thus relied on the vague (and pretty much guaranteed to be
> wrong) assumption that people would name their own libraries reasonably
> using prefixes fitting their own application names.
>
> I can definitely rename the module if people feel it's too much of a
> danger, though.
>
> On Mon, Nov 21, 2011 at 6:05 PM, Kostis Sagonas <> wrote:
>
>> On 11/21/11 20:31, Fred Hebert wrote:
>>
>>> Oh yeah, in case anyone is wondering how invasive of a patch this is,
>>> this is the diff between the default R14B04 group.erl file and the new
>>> one:
>>>
>>> 35c35
>>> < put(line_buffer, proplists:get_value(line_buffer, Options,
>>> history:load())),
>>> ---
>>>  > put(line_buffer, proplists:get_value(line_buffer, Options, [])),
>>> 647d646
>>> < history:add(Line),
>>>
>>> Literally two lines changed, and it should not harm the current
>>> behaviour of the shell other than loading history.
>>>
>>
>> The real evasiveness is of course not in these two lines but in that the
>> name of the new module ('history') which may clash with similarly named
>> files in many user applications.
>>
>> Perhaps a name like 'shell_history' is more appropriate for the new
>> module?
>>
>> Kostis
>> _______________________________________________
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>> 
>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>
>
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