[R] max size of a file that R can open to work

Jeff Newmiller jdnewm|| @end|ng |rom dcn@d@v|@@c@@u@
Thu Jun 6 22:00:18 CEST 2019

Technically "opening" a file does not involve reading it into memory at all, so any limits would arise from the OS.

As for "reading" the file, the amount of virtual memory [1] is the key factor, but different file formats can require more or less overhead memory to parse the data. Also, different functions may utilize available memory more or less efficiently, so your mileage may vary depending on what base or contributed functions you use to read the data.

[1] Virtual memory is a very OS-specific thing... but if you depend on it very much your performance will suffer considerably.

On June 5, 2019 2:38:29 PM PDT, Ricardo Lopez <gudiel.adv92 using gmail.com> wrote:
>Hello, I´d like to ask you if the max size of a file that R can open 
>import to work depends of the memory RAM??  or has other restriction???
>Thank you very much
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Sent from my phone. Please excuse my brevity.

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