[Rd] Feature request: make file.exists interruptable

Christopher Hammill chr|@topher@h@mm||| @end|ng |rom @|ckk|d@@c@
Mon Apr 15 19:44:05 CEST 2019

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:


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




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