[R] How to quit unwanted execution immediately?

[Peng Yu]

The delay that I observe is when I type ctrl+C after I str() a long
list. Since str() comes from the core R installation, maybe it should
be improved?

> R can or cannot response immediately depending on the underlying C sources.
> If the underlying source code is written carefully enough, there are more or
> less regular checks for events such as this one.
> If you are using some contributed package, it may be an issue in this
> package's source code.
>
> Best wishes,
> Uwe Ligges
>
>
>
>
> Peng Yu wrote:
>>
>> Occasionally, I start a command (taking long time to finish) that I
>> did not really want to start. I type 'ctrl+C' to try to quit the
>> execution. However, R does not quit the execution of the command
>> immediately. I'm wondering if R could response to ctrl+C immediately.
>>
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>