[Scilab-users] Exclamation mark in variable names

[Samuel Gougeon]

Le 26/05/2018 à 14:10, Samuel Gougeon a écrit :
> Le 25/05/2018 à 11:02, Samuel Gougeon a écrit :
>> Hello,
>>
>> Le 25/05/2018 à 10:45, Clément David a écrit :
>>> Hi,
>>>
>>> Thanks for your experimental work on that topic. I guess we could 
>>> merge the parser fix easily
>>> however the `!` usage to recall a previous command will remain 
>>> problematic. This usage does not seem
>>> to be documented somewhere in the help page, maybe we could discard 
>>> it. What's your opinion on that
>>> ?
>>
>> It is an historical and standard feature, used not only in Scilab 
>> language.
>> Please see the entry http://bugzilla.scilab.org/10776
>>
>> The only issue is that it is still undocumented. It could be 
>> described in the Console's page.
>
> "The only issue" : hmm, not really. Even if the missing documentation 
> is the main one, IMO this (already) very handy feature could be 
> improved in at least two ways:
>
>   * when no match is found in the history, nothing happens. For people
>     who does not know the feature (or who has forgotten that it is
>     available), this could be easily puzzling and felt as a bug.
>     => when no match is found, Scilab shall print a message "No match
>     found in history"
>
>   * A listbox listing matches could be displayed, to select the only
>     entry searched for.
>     This might be done in two ways :
>
>       o either typing "!" + one char as the very first characters
>         would enter a completion mode based on the history, with
>         matches listed in a listbox as described hereabove
>
>       o or this could be done only after validating with <enter>, or
>         CTRL+space as for the feature completion (but here targeted to
>         the history with the leading "!")
>
> If a completion mode is implemented, then the message "no match found 
> in history" could be displayed in the listbox instead of in the 
> console (note that the general feature completion triggered with 
> CTRL+space displays nothing when no match is found).

This request for improvements is now reported here: 
http://bugzilla.scilab.org/15592

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