[Rd] Feature request: make file.exists interruptable

[Christopher Hammill]

Hi R developers,

On slow file systems with large lists of files, file.exists can take a long time to run. It would be nice if users could interrupt this function. I think it would be simple to add:

https://svn.r-project.org/R/trunk/src/main/platform.c,

at line 1373, add "R_CheckUserInterrupt();" perhaps every some number of iterations if performance is a concern here.

Thanks,

Chris


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