How to check if a file already exists or not in R?

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How to check if a file already exists or not in R?
Oct 15 in Data Analytics by ch
• 3,290 points
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1 answer to this question.

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Check out file.exists() function!!

The function file.exists() returns a logical vector indicating whether the files named by its argument exist. 

Note: Make sure that to provide file path for those, not in the current working directory.

> file.exists("leaflet.R")
[1] TRUE
answered Oct 29 by Cherukuri
• 32,260 points

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