Re: no duplicated lines for GNU readline history

[Petr M. <mi...@ph...>]

>> No, it is not that. I want to remove duplicates in the history. E.g.
>> entering commands
>>    set grid
>>    history
>>    set grid
>>    history
>>    set grid
>>    history
>>    set grid
>>    history
>>
>> will result in the above sequence, but with the gnuplot's readline it will
>> have always just these two entries:
>>    set grid
>>    history
>> as all the previous history duplicates will be removed.
>>
>> Can the same be achieved with GNU readline? (It is more user friendly ...
>> no need to browse so long to find a command. The exact history is useless.)
>
> I don't think so. Duplicate removal in GNU readline only removes subsequent
> entries, i.e.
>
> ls
> ls
> ls
>
> is condensed into one.

Then it would be great it this feature could implemented by somebody. I see 
in ChangeLog that the last hack to GNU readline is

2005-05-20  SF Patch [981476] "Get history functions working with GNU readline"

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