>>> 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.
That already happens AFAICS.
> 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"
Shouldn't be too difficult to add the feature you want, so that no
duplicate entry gets added to the history. I might be able to take a
look at this in the next days. (But I always say that and then it it
weeks before I get to it if nobody reminds me.)
Peter.
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